Flaky selftest failure: java.lang.AssertionError: System.exit has been called

[jiridanek]

https://github.com/rh-messaging/cli-java/actions/runs/3345164760/jobs/5540349372#step:7:29539

Error:  Failures: 
Error:    AccMainTest>AbstractMainTest.sendAndReceiveWithAllSenderCLISwitches:299 System.exit has been called
Error:    AccMainTest>AbstractMainTest.sendAndReceiveWithAllSenderCLISwitches:299 System.exit has been called

No idea what went wrong, tbh

[jiridanek]

https://github.com/rh-messaging/cli-java/actions/runs/3823983124/jobs/6505712650#step:7:34556

The stacktrace shows the org.junit.Assert.fail call and not the exit call. Hopefully this can be fixed.

Hmm, it already shows the caused-by stacktrace on my machine. Weird.

[jiridanek]

https://github.com/rh-messaging/cli-java/actions/runs/4068654511/jobs/7007466815

[jiridanek]

https://github.com/rh-messaging/cli-java/actions/runs/4078691416/jobs/7029211466#step:7:32946