Add ability to debug tests
Add ability to debug tests

Add

``` JavaScript
debugger;
```

line in your tests where you want to start debugging and run

``` Shell

npm run debug-test test/unit/

```

Then open url printed in stdout in browser and hit run button in
Devtools toolbar.

dgolovin/developer-platform-install,redhat-developer-tooling/developer-platform-install,dgolovin/developer-platform-install,redhat-developer-tooling/developer-platform-install