[PATCH] msctf/tests: Fix some test failures on Windows 10.

[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=63295

Your paranoid android.


=== w1064v1809_ar (32 bit report) ===

msctf:
inputprocessor.c:747: Test failed: OnActivated: Activation came unexpectedly