[PATCH 6/6] d3d11/tests: Add blend_factor test

[Marvin]

Hi,

While running your changed tests on Windows, 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=43167

Your paranoid android.


=== w2008s64 (64 bit Windows report) ===

d3d11:
d3d11.c:5744: Test failed: Got unexpected hr 0x1.

=== debian9 (32 bit Wine report) ===

d3d11:
d3d11.c:5339: Test failed: Got unexpected hr 0x8876086a for query type 4.
d3d11.c:5586: Test failed: Got unexpected hr 0x8876086a.

=== debian9 (build log) ===