Filipe Silva 455d56ed34 fix(@angular/cli): fix ng test report sourcemaps
#6160 broke `ng test` sourcemaps in Chrome, this PR fixes it.

Before:
```
kamik@T460p MINGW64 D:/sandbox/master-project (master)
$ ng test --sr
 10% building modules 1/1 modules 0 active13 07 2017 16:38:43.942:INFO [karma]: Karma v1.7.0 server started at http://0.0.0.0:9876/
13 07 2017 16:38:43.945:INFO [launcher]: Launching browser Chrome with unlimited concurrency
13 07 2017 16:38:43.953:INFO [launcher]: Starting browser Chrome                                                    13 07 2017 16:38:54.099:INFO [Chrome 59.0.
3071 (Windows 10 0.0.0)]: Connected on socket Xdep72ofT_Q7MWBHAAAA with id 76010950
Chrome 59.0.3071 (Windows 10 0.0.0) AppComponent should have as title 'app' FAILED
        Expected 'app' to equal 'forced bug'.
            at Object.<anonymous> (http://localhost:9876/_karma_webpack_/main.bundle.js:89:27)
            at ZoneDelegate.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke (http://localhost:9
876/_karma_webpack_/polyfills.bundle.js:2704:26)
            at AsyncTestZoneSpec.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/async-test.js.AsyncTestZoneSpec.onInvoke (
http://localhost:9876/_karma_webpack_/vendor.bundle.js:55972:39)
            at ProxyZoneSpec.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/proxy.js.ProxyZoneSpec.onInvoke (http://localh
ost:9876/_karma_webpack_/vendor.bundle.js:56735:39)
Chrome 59.0.3071 (Windows 10 0.0.0): Executed 2 of 3 (1 FAILED) (0 secs / 0.162 secs)
Chrome 59.0.3071 (Windows 10 0.0.0) AppComponent should have as title 'app' FAILED
        Expected 'app' to equal 'forced bug'.
            at Object.<anonymous> (http://localhost:9876/_karma_webpack_/main.bundle.js:89:27)
            at ZoneDelegate.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke (http://localhost:9
876/_karma_webpack_/polyfills.bundle.js:2704:26)
            at AsyncTestZoneSpec.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/async-test.js.AsyncTestZoneSpec.onInvoke (
http://localhost:9876/_karma_webpack_/vendor.bundle.js:55972:39)
            at ProxyZoneSpec.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/proxy.js.ProxyZoneSpec.onInvoke (http://localh
Chrome 59.0.3071 (Windows 10 0.0.0): Executed 3 of 3 (1 FAILED) (0.225 secs / 0.204 secs)
```

After:
```
kamik@T460p MINGW64 D:/sandbox/master-project (master)
$ ng test --sr
 10% building modules 1/1 modules 0 active13 07 2017 16:37:59.478:INFO [karma]: Karma v1.7.0 server started at http://0.0.0.0:9876/
13 07 2017 16:37:59.481:INFO [launcher]: Launching browser Chrome with unlimited concurrency
13 07 2017 16:37:59.487:INFO [launcher]: Starting browser Chrome                                                    13 07 2017 16:38:08.559:INFO [Chrome 59.0.
3071 (Windows 10 0.0.0)]: Connected on socket ixHN4NzVFTEW1iYiAAAA with id 92819713
Chrome 59.0.3071 (Windows 10 0.0.0) AppComponent should have as title 'app' FAILED
        Expected 'app' to equal 'forced bug'.
            at Object.<anonymous> D:/sandbox/master-project/src/app/app.component.spec.ts:23:23)
            at ZoneDelegate.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke D:/sandbox/master-p
roject/node_modules/zone.js/dist/zone.js:391:1)
            at AsyncTestZoneSpec.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/async-test.js.AsyncTestZoneSpec.onInvoke D
:/sandbox/master-project/node_modules/zone.js/dist/async-test.js:49:1)
            at ProxyZoneSpec.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/proxy.js.ProxyZoneSpec.onInvoke D:/sandbox/mas
ter-project/node_modules/zone.js/dist/proxy.js:76:1)
Chrome 59.0.3071 (Windows 10 0.0.0): Executed 2 of 3 (1 FAILED) (0 secs / 0.367 secs)
Chrome 59.0.3071 (Windows 10 0.0.0) AppComponent should have as title 'app' FAILED
        Expected 'app' to equal 'forced bug'.
            at Object.<anonymous> D:/sandbox/master-project/src/app/app.component.spec.ts:23:23)
            at ZoneDelegate.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke D:/sandbox/master-p
roject/node_modules/zone.js/dist/zone.js:391:1)
            at AsyncTestZoneSpec.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/async-test.js.AsyncTestZoneSpec.onInvoke D
:/sandbox/master-project/node_modules/zone.js/dist/async-test.js:49:1)
            at ProxyZoneSpec.webpackJsonp.../../../../../../../sandbox/master-project/node_modules/zone.js/dist/proxy.js.ProxyZoneSpec.onInvoke D:/sandbox/mas
Chrome 59.0.3071 (Windows 10 0.0.0): Executed 3 of 3 (1 FAILED) (0.421 secs / 0.4 secs)
```

Fix #6583
2017-07-19 11:02:57 -04:00
..