This improves the SmokeTestDriverIntegrationTest in three ways:
1) If a SmokeTestClient fails (enters a terminal ERROR state), the
SmokeTestDriverIntegrationTest currently times out, because it keeps
waiting for state NOT_RUNNING. This makes debugging quite difficult.
This minor change makes sure to just fail the test immediately, if a
SmokeTestClient enters the ERROR state.
2) If a test times out or fails prematurely, because a SmokeTestClient
crashed, the SmokeTestClients aren't shut down correctly, which will
affect the following test runs. Therefore, I am adding clean-up logic
that running SmokeTestClients in `@AfterAll`.
3) Finally, I found that the processingThread variation of this thread
triggers a subtle race condition. Since this features is currently not
actively developed, I disabled those variations and created a ticket to
reactivate the test.
Reviewers: Matthias J. Sax <matthias@confluent.io>, Chia-Ping Tsai
<chia7712@gmail.com>, Bill Bejeck <bill@confluent.io>
---------
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
