Add spec for crash-reporter

spec/api/crash-reporter.coffee

@@ -0,0 +1,17 @@
+assert = require 'assert'
+path = require 'path'
+http = require 'http'
+remote = require 'remote'
+BrowserWindow = remote.require 'browser-window'
+
+fixtures = path.resolve __dirname, '..', 'fixtures'
+
+describe 'crash-reporter module', ->
+  it 'should send minidump when renderer crashes', (done) ->
+    w = new BrowserWindow(show: false)
+    server = http.createServer (req, res) ->
+      res.end()
+      server.close()
+      done()
+    server.listen 901007, '127.0.0.1', ->
+      w.loadUrl 'file://' + path.join(fixtures, 'api', 'crash.html')