diff --git a/package.json b/package.json
index 06b109e2f5..287c554e11 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
     "@octokit/rest": "^16.3.2",
     "@primer/octicons": "^9.1.1",
     "@types/basic-auth": "^1.1.3",
+    "@types/busboy": "^0.2.3",
     "@types/chai": "^4.2.11",
     "@types/chai-as-promised": "^7.1.2",
     "@types/dirty-chai": "^2.0.2",
@@ -139,7 +140,6 @@
     ]
   },
   "dependencies": {
-    "@types/multiparty": "^0.0.32",
     "@types/temp": "^0.8.34"
   }
-}
\ No newline at end of file
+}
diff --git a/spec-main/api-browser-window-spec.ts b/spec-main/api-browser-window-spec.ts
index dd219a92b0..0eb79c11e7 100644
--- a/spec-main/api-browser-window-spec.ts
+++ b/spec-main/api-browser-window-spec.ts
@@ -1995,7 +1995,7 @@ describe('BrowserWindow module', () => {
         }
       }
 
-      const preload = path.join(fixtures, 'module', 'preload-sandbox.js');
+      const preload = path.join(path.resolve(__dirname, 'fixtures'), 'module', 'preload-sandbox.js');
 
       let server: http.Server = null as unknown as http.Server;
       let serverUrl: string = null as unknown as string;
diff --git a/spec-main/api-crash-reporter-spec.ts b/spec-main/api-crash-reporter-spec.ts
index 2abce6796d..628e5b7158 100644
--- a/spec-main/api-crash-reporter-spec.ts
+++ b/spec-main/api-crash-reporter-spec.ts
@@ -1,17 +1,16 @@
 import { expect } from 'chai';
 import * as childProcess from 'child_process';
-import * as fs from 'fs';
 import * as http from 'http';
-import * as multiparty from 'multiparty';
+import * as Busboy from 'busboy';
 import * as path from 'path';
-import { ifdescribe, ifit } from './spec-helpers';
+import { ifdescribe } from './spec-helpers';
 import * as temp from 'temp';
-import * as url from 'url';
-import { ipcMain, app, BrowserWindow, BrowserWindowConstructorOptions } from 'electron/main';
+import { app } from 'electron/main';
 import { crashReporter } from 'electron/common';
 import { AddressInfo } from 'net';
-import { closeWindow, closeAllWindows } from './window-helpers';
 import { EventEmitter } from 'events';
+import * as fs from 'fs';
+import * as v8 from 'v8';
 
 temp.track();
 
@@ -24,330 +23,6 @@ async function cleanup () {
   afterTest.length = 0;
 }
 
-// TODO(alexeykuzmin): [Ch66] This test fails on Linux. Fix it and enable back.
-ifdescribe(!process.mas && !process.env.DISABLE_CRASH_REPORTER_TESTS && process.platform !== 'linux')('crashReporter module', function () {
-  let originalTempDirectory: string;
-  let tempDirectory = null;
-  const fixtures = path.resolve(__dirname, '..', 'spec', 'fixtures');
-
-  before(() => {
-    tempDirectory = temp.mkdirSync('electronCrashReporterSpec-');
-    originalTempDirectory = app.getPath('temp');
-    app.setPath('temp', tempDirectory);
-  });
-
-  after(() => {
-    app.setPath('temp', originalTempDirectory);
-    try {
-      temp.cleanupSync();
-    } catch (e) {
-      // ignore.
-      console.warn(e.stack);
-    }
-  });
-
-  afterEach(cleanup);
-
-  it('should send minidump when node processes crash', async () => {
-    const { port, waitForCrash } = await startServer();
-
-    const crashesDir = path.join(app.getPath('temp'), `${app.name} Crashes`);
-    const version = app.getVersion();
-    const crashPath = path.join(fixtures, 'module', 'crash.js');
-    childProcess.fork(crashPath, [port.toString(), version, crashesDir], { silent: true });
-    const crash = await waitForCrash();
-    checkCrash('node', crash);
-  });
-
-  const generateSpecs = (description: string, browserWindowOpts: BrowserWindowConstructorOptions) => {
-    describe(description, () => {
-      let w: BrowserWindow;
-
-      beforeEach(() => {
-        w = new BrowserWindow(Object.assign({ show: false }, browserWindowOpts));
-      });
-
-      afterEach(async () => {
-        await closeWindow(w);
-        w = null as unknown as BrowserWindow;
-      });
-
-      it('should send minidump when renderer crashes', async () => {
-        const { port, waitForCrash } = await startServer();
-        w.loadFile(path.join(fixtures, 'api', 'crash.html'), { query: { port: port.toString() } });
-        const crash = await waitForCrash();
-        checkCrash('renderer', crash);
-      });
-
-      ifit(!browserWindowOpts.webPreferences!.sandbox)('should send minidump when node processes crash', async function () {
-        const { port, waitForCrash } = await startServer();
-        const crashesDir = path.join(app.getPath('temp'), `${app.name} Crashes`);
-        const version = app.getVersion();
-        const crashPath = path.join(fixtures, 'module', 'crash.js');
-        w.loadFile(path.join(fixtures, 'api', 'crash_child.html'), { query: { port: port.toString(), crashesDir, crashPath, version } });
-        const crash = await waitForCrash();
-        expect(String((crash as any).newExtra)).to.equal('newExtra');
-        expect((crash as any).removeExtra).to.be.undefined();
-        checkCrash('node', crash);
-      });
-
-      describe('when uploadToServer is false', () => {
-        after(() => { crashReporter.setUploadToServer(true); });
-
-        it('should not send minidump', async () => {
-          const { port, getCrashes } = await startServer();
-          crashReporter.setUploadToServer(false);
-
-          let crashesDir = crashReporter.getCrashesDirectory();
-          const existingDumpFiles = new Set();
-          // crashpad puts the dump files in the "completed" subdirectory
-          if (process.platform === 'darwin') {
-            crashesDir = path.join(crashesDir, 'completed');
-          } else {
-            crashesDir = path.join(crashesDir, 'reports');
-          }
-
-          const crashUrl = url.format({
-            protocol: 'file',
-            pathname: path.join(fixtures, 'api', 'crash.html'),
-            search: `?port=${port}&skipUpload=1`
-          });
-          w.loadURL(crashUrl);
-
-          await new Promise(resolve => {
-            ipcMain.once('list-existing-dumps', (event) => {
-              fs.readdir(crashesDir, (err, files) => {
-                if (!err) {
-                  for (const file of files) {
-                    if (/\.dmp$/.test(file)) {
-                      existingDumpFiles.add(file);
-                    }
-                  }
-                }
-                event.returnValue = null; // allow the renderer to crash
-                resolve();
-              });
-            });
-          });
-
-          const dumpFileCreated = async () => {
-            async function getDumps () {
-              const files = await fs.promises.readdir(crashesDir);
-              return files.filter((file) => /\.dmp$/.test(file) && !existingDumpFiles.has(file));
-            }
-            for (let i = 0; i < 30; i++) {
-              const dumps = await getDumps();
-              if (dumps.length) {
-                return path.join(crashesDir, dumps[0]);
-              }
-              await new Promise(resolve => setTimeout(resolve, 1000));
-            }
-          };
-
-          const dumpFile = await dumpFileCreated();
-          expect(dumpFile).to.be.a('string');
-
-          // dump file should not be deleted when not uploading, so we wait
-          // 1s and assert it still exists
-          await new Promise(resolve => setTimeout(resolve, 1000));
-          expect(fs.existsSync(dumpFile!)).to.be.true();
-
-          // the server should not have received any crashes.
-          expect(getCrashes()).to.be.empty();
-        });
-      });
-
-      it('should send minidump with updated extra parameters', async function () {
-        const { port, waitForCrash } = await startServer();
-
-        const crashUrl = url.format({
-          protocol: 'file',
-          pathname: path.join(fixtures, 'api', 'crash-restart.html'),
-          search: `?port=${port}`
-        });
-        w.loadURL(crashUrl);
-        const crash = await waitForCrash();
-        checkCrash('renderer', crash);
-      });
-    });
-  };
-
-  generateSpecs('without sandbox', {
-    webPreferences: {
-      nodeIntegration: true
-    }
-  });
-  generateSpecs('with sandbox', {
-    webPreferences: {
-      sandbox: true,
-      preload: path.join(fixtures, 'module', 'preload-sandbox.js')
-    }
-  });
-
-  describe('start(options)', () => {
-    it('requires that the companyName and submitURL options be specified', () => {
-      expect(() => {
-        crashReporter.start({ companyName: 'Missing submitURL' } as any);
-      }).to.throw('submitURL is a required option to crashReporter.start');
-      expect(() => {
-        crashReporter.start({ submitURL: 'Missing companyName' } as any);
-      }).to.throw('companyName is a required option to crashReporter.start');
-    });
-    it('can be called multiple times', () => {
-      expect(() => {
-        crashReporter.start({
-          companyName: 'Umbrella Corporation',
-          submitURL: 'http://127.0.0.1/crashes'
-        });
-
-        crashReporter.start({
-          companyName: 'Umbrella Corporation 2',
-          submitURL: 'http://127.0.0.1/more-crashes'
-        });
-      }).to.not.throw();
-    });
-  });
-
-  describe('getCrashesDirectory', () => {
-    it('correctly returns the directory', () => {
-      const crashesDir = crashReporter.getCrashesDirectory();
-      const dir = path.join(app.getPath('temp'), 'Electron Test Main Crashes');
-      expect(crashesDir).to.equal(dir);
-    });
-  });
-
-  describe('getUploadedReports', () => {
-    it('returns an array of reports', () => {
-      const reports = crashReporter.getUploadedReports();
-      expect(reports).to.be.an('array');
-    });
-  });
-
-  // TODO(alexeykuzmin): This suite should explicitly
-  // generate several crash reports instead of hoping
-  // that there will be enough of them already.
-  describe('getLastCrashReport', () => {
-    it('correctly returns the most recent report', () => {
-      const reports = crashReporter.getUploadedReports();
-      expect(reports).to.be.an('array');
-      expect(reports).to.have.lengthOf.at.least(2,
-        'There are not enough reports for this test');
-
-      const lastReport = crashReporter.getLastCrashReport();
-      expect(lastReport).to.be.an('object');
-      expect(lastReport.date).to.be.an.instanceOf(Date);
-
-      // Let's find the newest report.
-      const { report: newestReport } = reports.reduce((acc, cur) => {
-        const timestamp = new Date(cur.date).getTime();
-        return (timestamp > acc.timestamp)
-          ? { report: cur, timestamp: timestamp }
-          : acc;
-      }, { timestamp: -Infinity } as { timestamp: number, report?: any });
-      expect(newestReport).to.be.an('object');
-
-      expect(lastReport.date.getTime()).to.be.equal(
-        newestReport.date.getTime(),
-        'Last report is not the newest.');
-    });
-  });
-
-  describe('getUploadToServer()', () => {
-    it('returns true when uploadToServer is set to true', function () {
-      crashReporter.start({
-        companyName: 'Umbrella Corporation',
-        submitURL: 'http://127.0.0.1/crashes',
-        uploadToServer: true
-      });
-      expect(crashReporter.getUploadToServer()).to.be.true();
-    });
-    it('returns false when uploadToServer is set to false', function () {
-      crashReporter.start({
-        companyName: 'Umbrella Corporation',
-        submitURL: 'http://127.0.0.1/crashes',
-        uploadToServer: true
-      });
-      crashReporter.setUploadToServer(false);
-      expect(crashReporter.getUploadToServer()).to.be.false();
-    });
-  });
-
-  describe('setUploadToServer(uploadToServer)', () => {
-    afterEach(closeAllWindows);
-    it('throws an error when called from the renderer process', async () => {
-      const w = new BrowserWindow({ show: false, webPreferences: { nodeIntegration: true } });
-      w.loadURL('about:blank');
-      await expect(
-        w.webContents.executeJavaScript('require(\'electron\').crashReporter.setUploadToServer(true)')
-      ).to.eventually.be.rejected();
-      await expect(
-        w.webContents.executeJavaScript('require(\'electron\').crashReporter.getUploadToServer()')
-      ).to.eventually.be.rejected();
-    });
-    it('sets uploadToServer false when called with false', function () {
-      crashReporter.start({
-        companyName: 'Umbrella Corporation',
-        submitURL: 'http://127.0.0.1/crashes',
-        uploadToServer: true
-      });
-      crashReporter.setUploadToServer(false);
-      expect(crashReporter.getUploadToServer()).to.be.false();
-    });
-    it('sets uploadToServer true when called with true', function () {
-      crashReporter.start({
-        companyName: 'Umbrella Corporation',
-        submitURL: 'http://127.0.0.1/crashes',
-        uploadToServer: false
-      });
-      crashReporter.setUploadToServer(true);
-      expect(crashReporter.getUploadToServer()).to.be.true();
-    });
-  });
-
-  describe('Parameters', () => {
-    it('returns all of the current parameters', () => {
-      crashReporter.start({
-        companyName: 'Umbrella Corporation',
-        submitURL: 'http://127.0.0.1/crashes'
-      });
-
-      const parameters = crashReporter.getParameters();
-      expect(parameters).to.be.an('object');
-    });
-    it('adds a parameter to current parameters', function () {
-      crashReporter.start({
-        companyName: 'Umbrella Corporation',
-        submitURL: 'http://127.0.0.1/crashes'
-      });
-
-      crashReporter.addExtraParameter('hello', 'world');
-      expect(crashReporter.getParameters()).to.have.property('hello');
-    });
-    it('removes a parameter from current parameters', function () {
-      crashReporter.start({
-        companyName: 'Umbrella Corporation',
-        submitURL: 'http://127.0.0.1/crashes'
-      });
-
-      crashReporter.addExtraParameter('hello', 'world');
-      expect(crashReporter.getParameters()).to.have.property('hello');
-
-      crashReporter.removeExtraParameter('hello');
-      expect(crashReporter.getParameters()).to.not.have.property('hello');
-    });
-  });
-
-  describe('when not started', () => {
-    it('does not prevent process from crashing', (done) => {
-      const appPath = path.join(fixtures, 'api', 'cookie-app');
-      const appProcess = childProcess.spawn(process.execPath, [appPath]);
-      appProcess.once('exit', () => {
-        done();
-      });
-    });
-  });
-});
-
 type CrashInfo = {
   prod: string
   ver: string
@@ -359,23 +34,7 @@ type CrashInfo = {
   _productName: string
   _companyName: string
   _version: string
-}
-
-async function waitForCrashReport () {
-  for (let times = 0; times < 10; times++) {
-    if (crashReporter.getLastCrashReport() != null) {
-      return;
-    }
-    await new Promise(resolve => setTimeout(resolve, 100));
-  }
-  throw new Error('No crash report available');
-}
-
-async function checkReport (reportId: string) {
-  await waitForCrashReport();
-  expect(crashReporter.getLastCrashReport().id).to.equal(reportId);
-  expect(crashReporter.getUploadedReports()).to.be.an('array').that.is.not.empty();
-  expect(crashReporter.getUploadedReports()[0].id).to.equal(reportId);
+  upload_file_minidump: Buffer // eslint-disable-line camelcase
 }
 
 function checkCrash (expectedProcessType: string, fields: CrashInfo) {
@@ -383,15 +42,56 @@ function checkCrash (expectedProcessType: string, fields: CrashInfo) {
   expect(String(fields.ver)).to.equal(process.versions.electron);
   expect(String(fields.process_type)).to.equal(expectedProcessType);
   expect(String(fields.platform)).to.equal(process.platform);
-  expect(String(fields.extra1)).to.equal('extra1');
-  expect(String(fields.extra2)).to.equal('extra2');
-  expect(fields.extra3).to.be.undefined();
   expect(String(fields._productName)).to.equal('Zombies');
   expect(String(fields._companyName)).to.equal('Umbrella Corporation');
   expect(String(fields._version)).to.equal(app.getVersion());
+  expect(fields.upload_file_minidump).to.be.an.instanceOf(Buffer);
+  expect(fields.upload_file_minidump.length).to.be.greaterThan(0);
 }
 
-let crashReporterPort = 0;
+function checkCrashExtra (fields: CrashInfo) {
+  expect(String(fields.extra1)).to.equal('extra1');
+  expect(String(fields.extra2)).to.equal('extra2');
+  expect(fields.extra3).to.be.undefined();
+}
+
+const startRemoteControlApp = async () => {
+  const appPath = path.join(__dirname, 'fixtures', 'apps', 'remote-control');
+  const appProcess = childProcess.spawn(process.execPath, [appPath]);
+  const port = await new Promise<number>(resolve => {
+    appProcess.stdout.on('data', d => {
+      const m = /Listening: (\d+)/.exec(d.toString());
+      if (m && m[1] != null) {
+        resolve(Number(m[1]));
+      }
+    });
+  });
+  function remoteEval (js: string): any {
+    return new Promise((resolve, reject) => {
+      const req = http.request({
+        host: '127.0.0.1',
+        port,
+        method: 'POST'
+      }, res => {
+        const chunks = [] as Buffer[];
+        res.on('data', chunk => { chunks.push(chunk); });
+        res.on('end', () => {
+          const ret = v8.deserialize(Buffer.concat(chunks));
+          if (Object.prototype.hasOwnProperty.call(ret, 'error')) {
+            reject(new Error(`remote error: ${ret.error}\n\nTriggered at:`));
+          } else {
+            resolve(ret.result);
+          }
+        });
+      });
+      req.write(js);
+      req.end();
+    });
+  }
+  afterTest.push(() => { appProcess.kill('SIGINT'); });
+  return { remoteEval };
+};
+
 const startServer = async () => {
   const crashes: CrashInfo[] = [];
   function getCrashes () { return crashes; }
@@ -405,36 +105,258 @@ const startServer = async () => {
   }
 
   const server = http.createServer((req, res) => {
-    const form = new multiparty.Form();
-    form.parse(req, (error, fields) => {
-      crashes.push(fields);
-      if (error) throw error;
-      const reportId = 'abc-123-def-456-abc-789-abc-123-abcd';
-      res.end(reportId, async () => {
-        await checkReport(reportId);
-        req.socket.destroy();
-        emitter.emit('crash', fields);
+    const busboy = new Busboy({ headers: req.headers });
+    const fields = {} as Record<string, any>;
+    const files = {} as Record<string, Buffer>;
+    busboy.on('file', (fieldname, file) => {
+      const chunks = [] as Array<Buffer>;
+      file.on('data', (chunk) => {
+        chunks.push(chunk);
+      });
+      file.on('end', () => {
+        files[fieldname] = Buffer.concat(chunks);
       });
     });
+    busboy.on('field', (fieldname, val) => {
+      fields[fieldname] = val;
+    });
+    busboy.on('finish', () => {
+      const reportId = 'abc-123-def-456-abc-789-abc-123-abcd';
+      res.end(reportId, async () => {
+        req.socket.destroy();
+        emitter.emit('crash', { ...fields, ...files });
+      });
+    });
+    req.pipe(busboy);
   });
 
   await new Promise(resolve => {
-    server.listen(crashReporterPort, '127.0.0.1', () => { resolve(); });
+    server.listen(0, '127.0.0.1', () => { resolve(); });
   });
 
   const port = (server.address() as AddressInfo).port;
 
-  if (crashReporterPort === 0) {
-    // We can only start the crash reporter once, and after that these
-    // parameters are fixed.
-    crashReporter.start({
-      companyName: 'Umbrella Corporation',
-      submitURL: 'http://127.0.0.1:' + port
-    });
-    crashReporterPort = port;
-  }
-
   afterTest.push(() => { server.close(); });
 
   return { getCrashes, port, waitForCrash };
 };
+
+function runApp (appPath: string, args: Array<string> = []) {
+  const appProcess = childProcess.spawn(process.execPath, [appPath, ...args]);
+  return new Promise(resolve => {
+    appProcess.once('exit', resolve);
+  });
+}
+
+function runCrashApp (crashType: string, port: number, extraArgs: Array<string> = []) {
+  const appPath = path.join(__dirname, 'fixtures', 'apps', 'crash');
+  return runApp(appPath, [
+    `--crash-type=${crashType}`,
+    `--crash-reporter-url=http://127.0.0.1:${port}`,
+    ...extraArgs
+  ]);
+}
+
+function waitForNewFileInDir (dir: string): Promise<string[]> {
+  const initialFiles = fs.readdirSync(dir);
+  return new Promise(resolve => {
+    const ivl = setInterval(() => {
+      const newCrashFiles = fs.readdirSync(dir).filter(f => !initialFiles.includes(f));
+      if (newCrashFiles.length) {
+        clearInterval(ivl);
+        resolve(newCrashFiles);
+      }
+    }, 1000);
+  });
+}
+
+// TODO(alexeykuzmin): [Ch66] This test fails on Linux. Fix it and enable back.
+ifdescribe(!process.mas && !process.env.DISABLE_CRASH_REPORTER_TESTS && process.platform !== 'linux')('crashReporter module', function () {
+  afterEach(cleanup);
+
+  it('should send minidump when renderer crashes', async () => {
+    const { port, waitForCrash } = await startServer();
+    runCrashApp('renderer', port);
+    const crash = await waitForCrash();
+    checkCrash('renderer', crash);
+  });
+
+  it('should send minidump when sandboxed renderer crashes', async () => {
+    const { port, waitForCrash } = await startServer();
+    runCrashApp('sandboxed-renderer', port);
+    const crash = await waitForCrash();
+    checkCrash('renderer', crash);
+    checkCrashExtra(crash);
+  });
+
+  it('should send minidump with updated parameters when renderer crashes', async () => {
+    const { port, waitForCrash } = await startServer();
+    runCrashApp('renderer', port, ['--set-extra-parameters-in-renderer']);
+    const crash = await waitForCrash();
+    checkCrash('renderer', crash);
+    expect(crash.extra1).to.be.undefined();
+    expect(crash.extra2).to.equal('extra2');
+    expect(crash.extra3).to.equal('added');
+  });
+
+  it('should send minidump with updated parameters when sandboxed renderer crashes', async () => {
+    const { port, waitForCrash } = await startServer();
+    runCrashApp('sandboxed-renderer', port, ['--set-extra-parameters-in-renderer']);
+    const crash = await waitForCrash();
+    checkCrash('renderer', crash);
+    expect(crash.extra1).to.be.undefined();
+    expect(crash.extra2).to.equal('extra2');
+    expect(crash.extra3).to.equal('added');
+  });
+
+  it('should send minidump when main process crashes', async () => {
+    const { port, waitForCrash } = await startServer();
+    runCrashApp('main', port);
+    const crash = await waitForCrash();
+    checkCrash('browser', crash);
+    checkCrashExtra(crash);
+  });
+
+  it('should send minidump when a node process crashes', async () => {
+    const { port, waitForCrash } = await startServer();
+    runCrashApp('node', port);
+    const crash = await waitForCrash();
+    checkCrash('node', crash);
+    checkCrashExtra(crash);
+  });
+
+  it('should not send a minidump when uploadToServer is false', async () => {
+    const { port, getCrashes } = await startServer();
+    const crashesDir = path.join(app.getPath('temp'), 'Zombies Crashes');
+    const completedCrashesDir = path.join(crashesDir, 'completed');
+    const crashAppeared = waitForNewFileInDir(completedCrashesDir);
+    await runCrashApp('renderer', port, ['--no-upload']);
+    await crashAppeared;
+    // wait a sec in case crashpad is about to upload a crash
+    await new Promise(resolve => setTimeout(resolve, 1000));
+    expect(getCrashes()).to.have.length(0);
+  });
+
+  describe('start() option validation', () => {
+    it('requires that the companyName option be specified', () => {
+      expect(() => {
+        crashReporter.start({ companyName: 'dummy' } as any);
+      }).to.throw('submitURL is a required option to crashReporter.start');
+    });
+
+    it('requires that the submitURL option be specified', () => {
+      expect(() => {
+        crashReporter.start({ submitURL: 'dummy' } as any);
+      }).to.throw('companyName is a required option to crashReporter.start');
+    });
+
+    it('can be called twice', async () => {
+      const { remoteEval } = await startRemoteControlApp();
+
+      await remoteEval(`require('electron').crashReporter.start({companyName: "Umbrella Corporation", submitURL: "http://127.0.0.1"})`);
+      await remoteEval(`require('electron').crashReporter.start({companyName: "Umbrella Corporation", submitURL: "http://127.0.0.1"})`);
+    });
+  });
+
+  describe('getCrashesDirectory', () => {
+    it('correctly returns the directory', async () => {
+      const { remoteEval } = await startRemoteControlApp();
+      await remoteEval(`require('electron').crashReporter.start({companyName: "Umbrella Corporation", submitURL: "http://127.0.0.1"})`);
+      const crashesDir = await remoteEval(`require('electron').crashReporter.getCrashesDirectory()`);
+      const dir = path.join(app.getPath('temp'), 'remote-control Crashes');
+      expect(crashesDir).to.equal(dir);
+    });
+  });
+
+  describe('getUploadedReports', () => {
+    it('returns an array of reports', async () => {
+      const { remoteEval } = await startRemoteControlApp();
+      await remoteEval(`require('electron').crashReporter.start({companyName: "Umbrella Corporation", submitURL: "http://127.0.0.1"})`);
+      const reports = await remoteEval(`require('electron').crashReporter.getUploadedReports()`);
+      expect(reports).to.be.an('array');
+    });
+  });
+
+  describe('getLastCrashReport', () => {
+    it('returns the last uploaded report', async () => {
+      const { remoteEval } = await startRemoteControlApp();
+      const { port, waitForCrash } = await startServer();
+
+      // 0. clear the crash reports directory.
+      const dir = path.join(app.getPath('temp'), 'remote-control Crashes');
+      try {
+        fs.rmdirSync(dir, { recursive: true });
+      } catch (e) { /* ignore */ }
+
+      // 1. start the crash reporter.
+      await remoteEval(`require('electron').crashReporter.start({companyName: "Umbrella Corporation", submitURL: "http://127.0.0.1:${port}", ignoreSystemCrashHandler: true})`);
+      // 2. generate a crash.
+      remoteEval(`(function() { const {BrowserWindow} = require('electron'); const bw = new BrowserWindow({show: false, webPreferences: {nodeIntegration: true}}); bw.loadURL('about:blank'); bw.webContents.executeJavaScript('process.crash()') })()`);
+      await waitForCrash();
+      // 3. get the crash from getLastCrashReport.
+      const firstReport = await remoteEval(`require('electron').crashReporter.getLastCrashReport()`);
+      expect(firstReport).to.not.be.null();
+      expect(firstReport.date).to.be.an.instanceOf(Date);
+    });
+  });
+
+  describe('getUploadToServer()', () => {
+    it('returns true when uploadToServer is set to true (by default)', async () => {
+      const { remoteEval } = await startRemoteControlApp();
+
+      await remoteEval(`require('electron').crashReporter.start({companyName: "Umbrella Corporation", submitURL: "http://127.0.0.1"})`);
+      const uploadToServer = await remoteEval(`require('electron').crashReporter.getUploadToServer()`);
+      expect(uploadToServer).to.be.true();
+    });
+
+    it('returns false when uploadToServer is set to false in init', async () => {
+      const { remoteEval } = await startRemoteControlApp();
+      await remoteEval(`require('electron').crashReporter.start({companyName: "Umbrella Corporation", submitURL: "http://127.0.0.1", uploadToServer: false})`);
+      const uploadToServer = await remoteEval(`require('electron').crashReporter.getUploadToServer()`);
+      expect(uploadToServer).to.be.false();
+    });
+
+    it('is updated by setUploadToServer', async () => {
+      const { remoteEval } = await startRemoteControlApp();
+      await remoteEval(`require('electron').crashReporter.start({companyName: "Umbrella Corporation", submitURL: "http://127.0.0.1"})`);
+      await remoteEval(`require('electron').crashReporter.setUploadToServer(false)`);
+      expect(await remoteEval(`require('electron').crashReporter.getUploadToServer()`)).to.be.false();
+      await remoteEval(`require('electron').crashReporter.setUploadToServer(true)`);
+      expect(await remoteEval(`require('electron').crashReporter.getUploadToServer()`)).to.be.true();
+    });
+  });
+
+  describe('Parameters', () => {
+    it('returns all of the current parameters', async () => {
+      const { remoteEval } = await startRemoteControlApp();
+      await remoteEval(`require('electron').crashReporter.start({companyName: "Umbrella Corporation", submitURL: "http://127.0.0.1", extra: {"extra1": "hi"}})`);
+      const parameters = await remoteEval(`require('electron').crashReporter.getParameters()`);
+      expect(parameters).to.be.an('object');
+      expect(parameters.extra1).to.equal('hi');
+    });
+
+    it('adds and removes parameters', async () => {
+      const { remoteEval } = await startRemoteControlApp();
+      await remoteEval(`require('electron').crashReporter.start({companyName: "Umbrella Corporation", submitURL: "http://127.0.0.1"})`);
+      await remoteEval(`require('electron').crashReporter.addExtraParameter('hello', 'world')`);
+      {
+        const parameters = await remoteEval(`require('electron').crashReporter.getParameters()`);
+        expect(parameters).to.have.property('hello');
+        expect(parameters.hello).to.equal('world');
+      }
+
+      {
+        await remoteEval(`require('electron').crashReporter.removeExtraParameter('hello')`);
+        const parameters = await remoteEval(`require('electron').crashReporter.getParameters()`);
+        expect(parameters).not.to.have.property('hello');
+      }
+    });
+  });
+
+  describe('when not started', () => {
+    it('does not prevent process from crashing', async () => {
+      const appPath = path.join(__dirname, '..', 'spec', 'fixtures', 'api', 'cookie-app');
+      await runApp(appPath);
+    });
+  });
+});
diff --git a/spec-main/fixtures/apps/crash/main.js b/spec-main/fixtures/apps/crash/main.js
new file mode 100644
index 0000000000..32ee7ff8b2
--- /dev/null
+++ b/spec-main/fixtures/apps/crash/main.js
@@ -0,0 +1,72 @@
+const { app, BrowserWindow, crashReporter } = require('electron');
+const path = require('path');
+const childProcess = require('child_process');
+
+app.setVersion('0.1.0');
+
+const url = app.commandLine.getSwitchValue('crash-reporter-url');
+const uploadToServer = !app.commandLine.hasSwitch('no-upload');
+const setExtraParameters = app.commandLine.hasSwitch('set-extra-parameters-in-renderer');
+
+crashReporter.start({
+  productName: 'Zombies',
+  companyName: 'Umbrella Corporation',
+  uploadToServer,
+  submitURL: url,
+  ignoreSystemCrashHandler: true,
+  extra: {
+    extra1: 'extra1',
+    extra2: 'extra2'
+  }
+});
+
+app.whenReady().then(() => {
+  const crashType = app.commandLine.getSwitchValue('crash-type');
+
+  if (crashType === 'main') {
+    process.crash();
+  } else if (crashType === 'renderer') {
+    const w = new BrowserWindow({ show: false, webPreferences: { nodeIntegration: true } });
+    w.loadURL('about:blank');
+    w.webContents.executeJavaScript(`require('electron').crashReporter.start({
+      productName: 'Zombies',
+      companyName: 'Umbrella Corporation',
+      uploadToServer: true,
+      ignoreSystemCrashHandler: true,
+      submitURL: '',
+      extra: {
+        'extra1': 'extra1',
+        'extra2': 'extra2',
+      }
+    })`);
+    if (setExtraParameters) {
+      w.webContents.executeJavaScript(`
+        require('electron').crashReporter.addExtraParameter('extra3', 'added');
+        require('electron').crashReporter.removeExtraParameter('extra1');
+      `);
+    }
+    w.webContents.executeJavaScript('process.crash()');
+    w.webContents.on('crashed', () => process.exit(0));
+  } else if (crashType === 'sandboxed-renderer') {
+    const w = new BrowserWindow({
+      show: false,
+      webPreferences: {
+        sandbox: true,
+        preload: path.resolve(__dirname, 'sandbox-preload.js')
+      }
+    });
+    w.loadURL(`about:blank?set_extra=${setExtraParameters ? 1 : 0}`);
+    w.webContents.on('crashed', () => process.exit(0));
+  } else if (crashType === 'node') {
+    const crashesDir = path.join(app.getPath('temp'), `${app.name} Crashes`);
+    const version = app.getVersion();
+    const crashPath = path.join(__dirname, 'node-crash.js');
+    const child = childProcess.fork(crashPath, [url, version, crashesDir], { silent: true });
+    child.on('exit', () => process.exit(0));
+  } else {
+    console.error(`Unrecognized crash type: '${crashType}'`);
+    process.exit(1);
+  }
+});
+
+setTimeout(() => app.exit(), 30000);
diff --git a/spec/fixtures/module/crash.js b/spec-main/fixtures/apps/crash/node-crash.js
similarity index 88%
rename from spec/fixtures/module/crash.js
rename to spec-main/fixtures/apps/crash/node-crash.js
index a550fc4649..0df7a31848 100644
--- a/spec/fixtures/module/crash.js
+++ b/spec-main/fixtures/apps/crash/node-crash.js
@@ -2,7 +2,8 @@ process.crashReporter.start({
   productName: 'Zombies',
   companyName: 'Umbrella Corporation',
   crashesDirectory: process.argv[4],
-  submitURL: `http://127.0.0.1:${process.argv[2]}`,
+  submitURL: process.argv[2],
+  ignoreSystemCrashHandler: true,
   extra: {
     extra1: 'extra1',
     extra2: 'extra2',
diff --git a/spec-main/fixtures/apps/crash/package.json b/spec-main/fixtures/apps/crash/package.json
new file mode 100644
index 0000000000..78aa596256
--- /dev/null
+++ b/spec-main/fixtures/apps/crash/package.json
@@ -0,0 +1,4 @@
+{
+  "name": "crash",
+  "main": "main.js"
+}
diff --git a/spec-main/fixtures/apps/crash/sandbox-preload.js b/spec-main/fixtures/apps/crash/sandbox-preload.js
new file mode 100644
index 0000000000..432806cf70
--- /dev/null
+++ b/spec-main/fixtures/apps/crash/sandbox-preload.js
@@ -0,0 +1,18 @@
+const { crashReporter } = require('electron');
+crashReporter.start({
+  productName: 'Zombies',
+  companyName: 'Umbrella Corporation',
+  uploadToServer: true,
+  ignoreSystemCrashHandler: true,
+  submitURL: '',
+  extra: {
+    'extra1': 'extra1',
+    'extra2': 'extra2'
+  }
+});
+const params = new URLSearchParams(location.search);
+if (params.get('set_extra') === '1') {
+  crashReporter.addExtraParameter('extra3', 'added');
+  crashReporter.removeExtraParameter('extra1');
+}
+process.crash();
diff --git a/spec-main/fixtures/apps/remote-control/main.js b/spec-main/fixtures/apps/remote-control/main.js
new file mode 100644
index 0000000000..22fa110c65
--- /dev/null
+++ b/spec-main/fixtures/apps/remote-control/main.js
@@ -0,0 +1,22 @@
+const http = require('http');
+const v8 = require('v8');
+
+const server = http.createServer((req, res) => {
+  const chunks = [];
+  req.on('data', chunk => { chunks.push(chunk); });
+  req.on('end', () => {
+    const js = Buffer.concat(chunks).toString('utf8');
+    try {
+      const result = eval(js); // eslint-disable-line no-eval
+      res.end(v8.serialize({ result }));
+    } catch (e) {
+      res.end(v8.serialize({ error: e.stack }));
+    }
+  });
+}).listen(0, '127.0.0.1', () => {
+  process.stdout.write(`Listening: ${server.address().port}\n`);
+});
+
+setTimeout(() => {
+  process.exit(0);
+}, 30000);
diff --git a/spec-main/fixtures/apps/remote-control/package.json b/spec-main/fixtures/apps/remote-control/package.json
new file mode 100644
index 0000000000..738eef5e46
--- /dev/null
+++ b/spec-main/fixtures/apps/remote-control/package.json
@@ -0,0 +1,4 @@
+{
+  "name": "remote-control",
+  "main": "main.js"
+}
diff --git a/spec/fixtures/module/preload-sandbox.js b/spec-main/fixtures/module/preload-sandbox.js
similarity index 100%
rename from spec/fixtures/module/preload-sandbox.js
rename to spec-main/fixtures/module/preload-sandbox.js
diff --git a/spec-main/index.js b/spec-main/index.js
index cf9fa06212..4c91ecb983 100644
--- a/spec-main/index.js
+++ b/spec-main/index.js
@@ -90,7 +90,7 @@ app.whenReady().then(() => {
 
   walker.on('end', () => {
     testFiles.sort();
-    sortToEnd(testFiles, f => f.includes('crash-reporter')).forEach((file) => {
+    testFiles.forEach((file) => {
       if (!argv.files || argv.files.includes(path.relative(baseElectronDir, file))) {
         mocha.addFile(file);
       }
@@ -117,8 +117,3 @@ function partition (xs, f) {
   xs.forEach(x => (f(x) ? trues : falses).push(x));
   return [trues, falses];
 }
-
-function sortToEnd (xs, f) {
-  const [end, beginning] = partition(xs, f);
-  return beginning.concat(end);
-}
diff --git a/spec-main/package.json b/spec-main/package.json
index 8e65c4879f..042bc9b30b 100644
--- a/spec-main/package.json
+++ b/spec-main/package.json
@@ -5,6 +5,7 @@
   "version": "0.1.0",
   "devDependencies": {
     "@types/ws": "^7.2.0",
+    "busboy": "^0.3.1",
     "echo": "file:fixtures/native-addon/echo",
     "q": "^1.5.1",
     "ws": "^7.2.1"
diff --git a/spec-main/yarn.lock b/spec-main/yarn.lock
index af35c32e55..0d89278219 100644
--- a/spec-main/yarn.lock
+++ b/spec-main/yarn.lock
@@ -34,6 +34,13 @@ big.js@^5.2.2:
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
   integrity sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==
 
+busboy@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/busboy/-/busboy-0.3.1.tgz#170899274c5bf38aae27d5c62b71268cd585fd1b"
+  integrity sha512-y7tTxhGKXcyBxRKAni+awqx8uqaJKrSFSNFSeRG5CsWNdmy2BIK+6VGWEW7TZnIO/533mtMEA4rOevQV815YJw==
+  dependencies:
+    dicer "0.3.0"
+
 chai-as-promised@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/chai-as-promised/-/chai-as-promised-7.1.1.tgz#08645d825deb8696ee61725dbf590c012eb00ca0"
@@ -46,6 +53,13 @@ check-error@^1.0.2:
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
   integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
 
+dicer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/dicer/-/dicer-0.3.0.tgz#eacd98b3bfbf92e8ab5c2fdb71aaac44bb06b872"
+  integrity sha512-MdceRRWqltEG2dZqO769g27N/3PXfcKl04VhYnBlo2YhH7zPi88VebsjTKclaOyiuMaGU72hTfw3VkUitGcVCA==
+  dependencies:
+    streamsearch "0.1.2"
+
 dirty-chai@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/dirty-chai/-/dirty-chai-2.0.1.tgz#6b2162ef17f7943589da840abc96e75bda01aff3"
@@ -126,6 +140,11 @@ schema-utils@^0.4.0:
     ajv "^6.1.0"
     ajv-keywords "^3.1.0"
 
+streamsearch@0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/streamsearch/-/streamsearch-0.1.2.tgz#808b9d0e56fc273d809ba57338e929919a1a9f1a"
+  integrity sha1-gIudDlb8Jz2Am6VzOOkpkZoanxo=
+
 uri-js@^4.2.2:
   version "4.2.2"
   resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
diff --git a/spec/fixtures/api/crash-restart.html b/spec/fixtures/api/crash-restart.html
deleted file mode 100644
index 0ee4ad5350..0000000000
--- a/spec/fixtures/api/crash-restart.html
+++ /dev/null
@@ -1,46 +0,0 @@
-<html>
-<body>
-<script type="text/javascript" charset="utf-8">
-
-const port = (new URLSearchParams(location.search)).get('port')
-const {crashReporter, ipcRenderer} = require('electron')
-
-crashReporter.start({
-  productName: 'Zombies',
-  companyName: 'Umbrella Corporation',
-  submitURL: 'http://127.0.0.1:' + port,
-  uploadToServer: true,
-  ignoreSystemCrashHandler: true,
-  extra: {
-    extra1: 'extra1',
-    extra2: 'initial',
-    extra3: 'extra3'
-  }
-})
-
-setImmediate(() => {
-  if (process.platform !== 'linux') {
-    crashReporter.addExtraParameter('extra2', 'extra2')
-    crashReporter.removeExtraParameter('extra3')
-  } else {
-    crashReporter.start({
-      productName: 'Zombies',
-      companyName: 'Umbrella Corporation',
-      submitURL: 'http://127.0.0.1:' + port,
-      uploadToServer: true,
-      ignoreSystemCrashHandler: true,
-      extra: {
-        extra1: 'extra1',
-        extra2: 'extra2'
-      }
-    })
-  }
-
-  setImmediate(() => {
-    process.crash()
-  })
-})
-
-</script>
-</body>
-</html>
diff --git a/spec/fixtures/api/crash.html b/spec/fixtures/api/crash.html
deleted file mode 100644
index bcce825426..0000000000
--- a/spec/fixtures/api/crash.html
+++ /dev/null
@@ -1,30 +0,0 @@
-<html>
-
-<body>
-  <script type="text/javascript" charset="utf-8">
-    const query = new URLSearchParams(location.search)
-    const port = query.get('port')
-    const uploadToServer = !query.has('skipUpload')
-    const {crashReporter, ipcRenderer} = require('electron');
-
-    crashReporter.start({
-      productName: 'Zombies',
-      companyName: 'Umbrella Corporation',
-      submitURL: 'http://127.0.0.1:' + port,
-      uploadToServer: uploadToServer,
-      ignoreSystemCrashHandler: true,
-      extra: {
-        'extra1': 'extra1',
-        'extra2': 'extra2',
-      }
-    })
-
-    if (!uploadToServer) {
-      ipcRenderer.sendSync('list-existing-dumps')
-    }
-
-    setImmediate(() => { process.crash() })
-  </script>
-</body>
-
-</html>
diff --git a/spec/fixtures/api/crash_child.html b/spec/fixtures/api/crash_child.html
deleted file mode 100644
index cda0080bbf..0000000000
--- a/spec/fixtures/api/crash_child.html
+++ /dev/null
@@ -1,24 +0,0 @@
-<html>
-
-<body>
-  <script type="text/javascript" charset="utf-8">
-
-    const query = new URLSearchParams(location.search)
-    const port = query.get('port')
-    const version = query.get('version')
-    const crashesDir = query.get('crashesDir')
-    const crashPath = query.get('crashPath')
-
-    const { crashReporter } = require('electron');
-
-    crashReporter.start({
-      productName: 'Zombies',
-      companyName: 'Umbrella Corporation',
-      submitURL: 'http://127.0.0.1:' + port
-    })
-
-    require('child_process').fork(crashPath, [port, version, crashesDir])
-  </script>
-</body>
-
-</html>
diff --git a/spec/package.json b/spec/package.json
index 3ebe235d94..0aedce766c 100644
--- a/spec/package.json
+++ b/spec/package.json
@@ -19,7 +19,6 @@
     "mocha": "^5.2.0",
     "mocha-junit-reporter": "^1.18.0",
     "mocha-multi-reporters": "^1.1.7",
-    "multiparty": "^4.2.1",
     "send": "^0.16.2",
     "split": "^1.0.1",
     "temp": "^0.9.0",
diff --git a/spec/yarn.lock b/spec/yarn.lock
index 572aa87f55..849f089572 100644
--- a/spec/yarn.lock
+++ b/spec/yarn.lock
@@ -7,9 +7,10 @@
   resolved "https://registry.yarnpkg.com/@nornagon/put/-/put-0.0.8.tgz#9d497ec46c9364acc3f8b59aa3cf8ee4134ae337"
   integrity sha512-ugvXJjwF5ldtUpa7D95kruNJ41yFQDEKyF5CW4TgKJnh+W/zmlBzXXeKTyqIgwMFrkePN2JqOBqcF0M0oOunow==
 
-"abstract-socket@github:saghul/node-abstractsocket#35b1b1491fabc04899bde5be3428abf5cf9cd528":
-  version "2.1.0"
-  resolved "https://codeload.github.com/saghul/node-abstractsocket/tar.gz/35b1b1491fabc04899bde5be3428abf5cf9cd528"
+abstract-socket@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/abstract-socket/-/abstract-socket-2.1.1.tgz#243a7e6e6ff65bb9eab16a22fa90699b91e528f7"
+  integrity sha512-YZJizsvS1aBua5Gd01woe4zuyYBGgSMeqDOB6/ChwdTI904KP6QGtJswXl4hcqWxbz86hQBe++HWV0hF1aGUtA==
   dependencies:
     bindings "^1.2.1"
     nan "^2.12.1"
@@ -381,13 +382,6 @@ fast-json-stable-stringify@^2.0.0:
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
   integrity sha1-1RQsDK7msRifh9OnYREGT4bIu/I=
 
-fd-slicer@1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.1.0.tgz#25c7c89cb1f9077f8891bbe61d8f390eae256f1e"
-  integrity sha1-JcfInLH5B3+IkbvmHY85Dq4lbx4=
-  dependencies:
-    pend "~1.2.0"
-
 file-uri-to-path@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz#553a7b8446ff6f684359c445f1e37a05dacc33dd"
@@ -525,17 +519,6 @@ http-errors@~1.6.2:
     setprototypeof "1.1.0"
     statuses ">= 1.4.0 < 2"
 
-http-errors@~1.7.0:
-  version "1.7.2"
-  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.7.2.tgz#4f5029cf13239f31036e5b2e55292bcfbcc85c8f"
-  integrity sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==
-  dependencies:
-    depd "~1.1.2"
-    inherits "2.0.3"
-    setprototypeof "1.1.1"
-    statuses ">= 1.5.0 < 2"
-    toidentifier "1.0.0"
-
 http-signature@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz#9aecd925114772f3d95b65a60abb8f7c18fbace1"
@@ -791,16 +774,6 @@ ms@^2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
   integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
 
-multiparty@^4.2.1:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/multiparty/-/multiparty-4.2.1.tgz#d9b6c46d8b8deab1ee70c734b0af771dd46e0b13"
-  integrity sha512-AvESCnNoQlZiOfP9R4mxN8M9csy2L16EIbWIkt3l4FuGti9kXBS8QVzlfyg4HEnarJhrzZilgNFlZtqmoiAIIA==
-  dependencies:
-    fd-slicer "1.1.0"
-    http-errors "~1.7.0"
-    safe-buffer "5.1.2"
-    uid-safe "2.1.5"
-
 nan@2.x, nan@^2.12.1:
   version "2.14.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
@@ -920,11 +893,6 @@ pause-stream@^0.0.11:
   dependencies:
     through "~2.3"
 
-pend@~1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
-  integrity sha1-elfrVQpng/kRUzH89GY9XI4AelA=
-
 performance-now@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
@@ -958,11 +926,6 @@ qs@~6.5.2:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
   integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
 
-random-bytes@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/random-bytes/-/random-bytes-1.0.0.tgz#4f68a1dc0ae58bd3fb95848c30324db75d64360b"
-  integrity sha1-T2ih3Arli9P7lYSMMDJNt11kNgs=
-
 range-parser@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
@@ -1073,11 +1036,6 @@ setprototypeof@1.1.0:
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
   integrity sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==
 
-setprototypeof@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.1.tgz#7e95acb24aa92f5885e0abef5ba131330d4ae683"
-  integrity sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw==
-
 shebang-command@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
@@ -1117,7 +1075,7 @@ sshpk@^1.7.0:
     safer-buffer "^2.0.2"
     tweetnacl "~0.14.0"
 
-"statuses@>= 1.4.0 < 2", "statuses@>= 1.5.0 < 2":
+"statuses@>= 1.4.0 < 2":
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
   integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
@@ -1190,11 +1148,6 @@ through@2, through@^2.3.8, through@~2.3, through@~2.3.4:
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
 
-toidentifier@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
-  integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
-
 tough-cookie@~2.4.3:
   version "2.4.3"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.4.3.tgz#53f36da3f47783b0925afa06ff9f3b165280f781"
@@ -1220,13 +1173,6 @@ type-detect@^4.0.0, type-detect@^4.0.5:
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
   integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
 
-uid-safe@2.1.5:
-  version "2.1.5"
-  resolved "https://registry.yarnpkg.com/uid-safe/-/uid-safe-2.1.5.tgz#2b3d5c7240e8fc2e58f8aa269e5ee49c0857bd3a"
-  integrity sha512-KPHm4VL5dDXKz01UuEd88Df+KzynaohSL9fBh096KWAxSKZQDI2uBrVqtvRM4rwrIrRRKsdLNML/lnaaVSRioA==
-  dependencies:
-    random-bytes "~1.0.0"
-
 uri-js@^4.2.2:
   version "4.2.2"
   resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
diff --git a/yarn.lock b/yarn.lock
index 8ca6952b11..bcde86be32 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -155,6 +155,13 @@
     "@types/connect" "*"
     "@types/node" "*"
 
+"@types/busboy@^0.2.3":
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/@types/busboy/-/busboy-0.2.3.tgz#6697ad29873246c530f09a3ff5a40861824230d5"
+  integrity sha1-ZpetKYcyRsUw8Jo/9aQIYYJCMNU=
+  dependencies:
+    "@types/node" "*"
+
 "@types/chai-as-promised@*":
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/@types/chai-as-promised/-/chai-as-promised-7.1.1.tgz#004c27a4ac640e9590e25d8b0980cb0a6609bfd8"
@@ -274,13 +281,6 @@
   resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-7.0.2.tgz#b17f16cf933597e10d6d78eae3251e692ce8b0ce"
   integrity sha512-ZvO2tAcjmMi8V/5Z3JsyofMe3hasRcaw88cto5etSVMwVQfeivGAlEYmaQgceUSVYFofVjT+ioHsATjdWcFt1w==
 
-"@types/multiparty@^0.0.32":
-  version "0.0.32"
-  resolved "https://registry.yarnpkg.com/@types/multiparty/-/multiparty-0.0.32.tgz#99226df6050dae605fa6f9489d6c0b5ab61fdc00"
-  integrity sha512-zuQEcL9pHiW3u1fgkOWE6T/RwskrFZ3W63aKQPDs7EokIjtbsGL7aVlI4tI86qjL4B3hcFxDRtIGxwRwMTS2Dw==
-  dependencies:
-    "@types/node" "*"
-
 "@types/node@*":
   version "12.6.1"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.6.1.tgz#d5544f6de0aae03eefbb63d5120f6c8be0691946"