Github user Tibor17 commented on the issue:
https://github.com/apache/maven-surefire/pull/160
@MatousJobanek
It should be sanity check and Mojo should fail if `threadCount` is <= 0 &&
isApplicable.
IsApplicable is TRUE if `forkMode` is "pertest" OR `parallel` is any of
Github user MatousJobanek commented on the issue:
https://github.com/apache/maven-surefire/pull/160
Sorry, I didn't notice that the parameter is used also in other cases.
I changed the commit to set the `threadCount` only when it is a positive
value also in case of JUnit - in the
