fixed async frontend ui tests. Added example of how to to async unit-testsing in frontend.
fixed async frontend ui tests.
Added example of how to to async unit-testsing in frontend.

weiss19ja/amos-ss16-proj2,weiss19ja/amos-ss16-proj2,weiss19ja/amos-ss16-proj2,weiss19ja/amos-ss16-proj2