Adapt to changed API. Migrate tests to use AssertJ. Re-enable Cassandra examples. Adapt Cassandra examples to relocated packages. Adapt reactive Cassandra examples to removed insert(Publisher) method.
Exclude the reporter-config3 library from cassandra-all as it pulls in an outdated hibernate-validator version 4.3.0 that conflicts with Spring Boot's Hibernate Validator baseline and it's not required during tests because we don't publish any metrics.