Add code coverage report

[cironunes]

https://github.com/mochajs/mocha/wiki#test-coverage

[hansl]

Is this for the CLI itself or the scaffolded project?

[cironunes]

well, both? :)

[JimLynchCodes]

+1 for adding test coverage reports for the scaffolded project (Something similar to Istanbul for Angular 1 projects).

[filipesilva]

Closed in favor of #883, since it has a bit more meaningful progress there.

Related PR #895

[angular-automatic-lock-bot]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{This action has been performed automatically by a bot.}