Abstract class that in the future will hold an intermediate priority WheneverAsserting implicit, which will enable inspector expressions
that have result type Expectation, a more composable form of assertion that returns a result instead of throwing an exception when it fails.
Provides support of WheneverAsserting for Unit.
Provides support of WheneverAsserting for Unit. Return Unit when the check succeeds,
but throw DiscardedEvaluationException
when check fails.