Remove coverage deprecation warning

[sandrozbinden]

Timeboxed 1 hour
The problem might be an not uptodate karma-webpackage transitive dependecies.

The transitive dependecies loader-utils should be updated

• Create issue in karma-webpack

node:10896) DeprecationWarning: loaderUtils.parseQuery() received a non-string value which can be problematic, see webpack/loader-utils#56
parseQuery() will be replaced with getOptions() in the next major version of loader-utils.

[mleu]

Webpack has loaders, which are defined in test-config/webpack.test.js. These in turn may use loader-utils, which is deprecating certain functions as described in the link above (issue 56).

We currently use two loaders which have not managed to fix this yet:

• angular2-template-loader
  relevant line: https://github.com/TheLarkInn/angular2-template-loader/blob/master/index.js#L21
  PR: fix deprecated warning TheLarkInn/angular2-template-loader#61 (still open)
• istanbul-instrumenter-loader
  relevant line: https://github.com/webpack-contrib/istanbul-instrumenter-loader/blob/master/index.js#L15
  PR: refactor: upgrade to webpack-defaults webpack-contrib/istanbul-instrumenter-loader#51 (still open)

We will have to live with this until both PRs get merged.

[sandrozbinden]

Could you attach the pull requests. Maybe we can remember them that it is an important issue for our project.