Add file names to Karma suite descriptions
What does this MR do?
Extend Karma output to include the file name for every suite:
Vue translate filter (vue_shared/translate_spec)
✔ translate single text (skipped)
✔ translate plural text with single count (skipped)
✔ translate plural text with multiple count (skipped)
✔ translate plural without replacing any text (skipped)
ZenMode (zen_mode_spec)
on enter (zen_mode_spec)
✔ pauses Mousetrap (skipped)
✔ removes textarea styling (skipped)
in use (zen_mode_spec)
✔ exits on Escape (skipped)
on exit (zen_mode_spec)
✔ unpauses Mousetrap (skipped)
✔ restores the scroll position (skipped)
FAILED TESTS:
getSearchQuery (filtered_search/dropdown_utils_spec)
✖ TODO
PhantomJS 2.1.1 (Mac OS X 0.0.0)
Failed
spec/javascripts/test_bundle.js:177521:18
loaded@http://localhost:9876/context.js:151:17