Is it possible to somehow customize syntax and running of unit
tests?
How I could use it:
1. Running only the tests from recently modified source files.
2. Ability to add optional timeout constraint into the tests, and
then check whether the test doesn't exceed it.
unittests (time < 20
The out-of-the box unittest runner is pretty bare by design. It
just runs unittest blocks in serial as functions where assert()
failures are not undefined behavior. Assert messages are not very
helpful, though the recently added flag `-checkaction=context`
helps a lot.
Luckily there is a trai
