[PATCH] kernel32/tests: Avoid testing that WaitCommEvent() doesn't return immediately.

[Marvin]

Hi,

While running your changed tests, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=75142

Your paranoid android.


=== w1064v1507 (64 bit report) ===

kernel32:
comm.c:859: Test failed: WaitCommEvent failed with a timeout
comm.c:880: Test failed: WaitCommEvent error 0
comm.c:881: Test failed: WaitCommEvent: expected EV_TXEMPTY, got 0
comm.c:886: Test failed: WaitCommEvent used 1515 ms for waiting