Angular-cli: ng test Unknown option `--reporters`

[Vaelor]

Bug Report or Feature Request (mark with an x)

- [x] bug report
- [ ] feature request

Area

- [ ] devkit
- [ ] schematics
- [x] Don't know

Versions

$ ng --version

Angular CLI: 6.0.8
Node: 10.4.1
OS: linux x64
Angular: 6.0.5
... animations, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router, service-worker

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.6.8
@angular-devkit/build-angular     0.6.8
@angular-devkit/build-optimizer   0.6.8
@angular-devkit/core              0.6.8
@angular-devkit/schematics        0.6.8
@angular/cli                      6.0.8
@ngtools/json-schema              1.2.0
@ngtools/webpack                  6.0.8
@schematics/angular               0.6.8
@schematics/update                0.6.8
ng-packagr                        2.4.1
rxjs                              6.2.1
typescript                        2.7.2
webpack                           4.8.3

Repro steps

Run ng test with the --reporters option. This worked on previous versions and is now gone.

The log given by the failure

Unknown option: '--reporters'

Desired functionality

At least a migration guide to what use instead - I have not found any info on the removal on the releases page (which serves as the changelog).
Between releases this option was just removed:
Diff for ng test wiki

[Brocco]

I believe that reports now need to be configured within your karma file.

[mgol]

This issue in tandem with #11385 made my team unaware we've not been running unit tests in CI for some time.

[Vaelor]

@Brocco It was nice to have for CI - just calling with a specific reporter thats easy to parse, while locally the one configured in karma was used (or a dev could use another installed reporter locally)
Now this would mean to set up some kind of environment which I need to use in the karma config.
I also couldn't find a hint on why it was removed.

[KellyR-STCU]

Would also like to know the deal with this..What is the correct way to do this now..? I would prefer to use it as it was, but still want to know what the intent is..?

[maccurt]

Yes, why mess with this? Is there some documentation on what to do now or why it was removed?

[lundn]

Hopefully someone can answer this?

[TKul6]

I agree with @Vaelor, the --reporters feature was ideal for CI cases, please give it back, or at least address this missing feature.

[lsuarez5280]

Adding to the chorus. Would be much simpler to replace my progress and kjhtml runners with junit in the CI test run scenario via command line argument.

[joashmusyoka]

I also was using the --reporters options for running unit test in a CI environment. Got surprised it was removed.

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