* GH-210: Upgrade test-embedded-kafka to JUnit5 Resolves https://github.com/spring-cloud/spring-cloud-stream-samples/issues/210 * Avoid a rebalance by using a different group in the test; use `assign()` instead of `subscribe()`.
* GH-210: Upgrade test-embedded-kafka to JUnit5 Resolves https://github.com/spring-cloud/spring-cloud-stream-samples/issues/210 * Avoid a rebalance by using a different group in the test; use `assign()` instead of `subscribe()`.