[PATCH] mfplat/tests: Get source events in async mode.

[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=83876

Your paranoid android.


=== w7u_2qxl (32 bit report) ===

mfplat:
mfplat.c:5072: Test failed: Failed to allocate a queue, hr 0x80070057.
mfplat.c:5076: Test failed: Failed to queue work item, hr 0xc00d36bb.
mfplat.c:5009: Test failed: Timed out waiting for the child process

=== w7u_adm (32 bit report) ===

mfplat:
mfplat.c:5072: Test failed: Failed to allocate a queue, hr 0x80070057.
mfplat.c:5076: Test failed: Failed to queue work item, hr 0xc00d36bb.
mfplat.c:5009: Test failed: Timed out waiting for the child process

=== wvistau64 (64 bit report) ===

mfplat:
mfplat: Timeout