test: drop now-empty remote runner (#35343)

* test: drop the now-empty remote runner from CI

* move fixtures to spec-main

* remove remote runner

* fix stuff

* remove global-paths hack

* move ts-smoke to spec/

* fix test after merge

* rename spec-main to spec

* no need to ignore spec/node_modules twice

* simplify spec-runner a little

* no need to hash pj/yl twice

* undo lint change to verify-mksnapshot.py

* excessive ..

* update electron_woa_testing.yml

* don't search for test-results-remote.xml

it is never produced now

spec/pipe-transport.ts

@@ -0,0 +1,37 @@
+// A small pipe transport for talking to Electron over CDP.
+export class PipeTransport {
+  private _pipeWrite: NodeJS.WritableStream | null;
+  private _pendingMessage = '';
+
+  onmessage?: (message: string) => void;
+
+  constructor (pipeWrite: NodeJS.WritableStream, pipeRead: NodeJS.ReadableStream) {
+    this._pipeWrite = pipeWrite;
+    pipeRead.on('data', buffer => this._dispatch(buffer));
+  }
+
+  send (message: Object) {
+    this._pipeWrite!.write(JSON.stringify(message));
+    this._pipeWrite!.write('\0');
+  }
+
+  _dispatch (buffer: Buffer) {
+    let end = buffer.indexOf('\0');
+    if (end === -1) {
+      this._pendingMessage += buffer.toString();
+      return;
+    }
+    const message = this._pendingMessage + buffer.toString(undefined, 0, end);
+    if (this.onmessage) { this.onmessage.call(null, JSON.parse(message)); }
+
+    let start = end + 1;
+    end = buffer.indexOf('\0', start);
+    while (end !== -1) {
+      const message = buffer.toString(undefined, start, end);
+      if (this.onmessage) { this.onmessage.call(null, JSON.parse(message)); }
+      start = end + 1;
+      end = buffer.indexOf('\0', start);
+    }
+    this._pendingMessage = buffer.toString(undefined, start);
+  }
+}