Detect if server fails to start properly in TCK FATs

[Azquelt]

In some of our test pipelines, we're seeing tests fail because we're running the test with the wrong features.

However, these failures generally manifest as the application failing to start or arquillian failing to contact the server to check on the status so it's hard to tell them apart from real failures.

Make sure the test fails with an appropriate error message if we see the following log line after starting the server.

CWWKF0002E: A bundle could not be found for ...

We could try adding this as a test whenever we start a LibertyServer, though there may be some tests which either expect this error or are currently passing despite it (likely tests that install a custom test feature).