NXP-14791: new RandomBug rule for tests
NXP-14791: better reporting

Bypassed test is properly detected as ignored by JUnit
Issue description is included in thrown AssertionError
NXP-14791: fix reporting; add tests

In RepeatOnFailure, successive suppressed errors must be dropped on first success.
Add tests covering the RandomBug fixture.
NXP-14791: exclude inner tests; improved logs