[PATCH] dsound/tests: Add a test for SetFX.

[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=11445

Your paranoid android.


=== w2000pro (32 bit dsound8) ===
dsound8.c:1282: Test failed: IDirectSoundBuffer8_Play() failed: 88780046

=== wxppro (32 bit dsound8) ===
dsound8.c:1282: Test failed: IDirectSoundBuffer8_Play() failed: 88780046

=== wvistau64 (32 bit dsound8) ===
dsound8.c:1187: Test failed: DirectSoundCreate8() failed: 88780078

=== w2008s64 (32 bit dsound8) ===
dsound8.c:1187: Test failed: DirectSoundCreate8() failed: 88780078

=== w7u (32 bit dsound8) ===
dsound8.c:1282: Test failed: IDirectSoundBuffer8_Play() failed: 88780046

=== w8 (32 bit dsound8) ===
dsound8.c:1282: Test failed: IDirectSoundBuffer8_Play() failed: 88780046

=== wvistau64 (64 bit dsound8) ===
dsound8.c:1187: Test failed: DirectSoundCreate8() failed: 88780078

=== w2008s64 (64 bit dsound8) ===
dsound8.c:1187: Test failed: DirectSoundCreate8() failed: 88780078