also important: the test code should be easy to re...

# atrium

[christophsturm]

also important: the test code should be easy to read, and it should be easy to find out what matchers are available and whats the best way do write an assertion

[robstoll]

I could do more about finding the assertion function if the following bug is fixed. I thought maybe it is something you want to up-vote as well:
https://youtrack.jetbrains.com/issue/KT-20396