[2/3] dsound/tests: Add IEEE float buffer tests

[testbot at testbot.winehq.org]

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
http://testbot.winehq.org/JobDetails.pl?Key=4950

Your paranoid android.


=== W98SE (32 bit dsound) ===
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D407F4 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D554 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D56C 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D624 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D614 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D614 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D5F4 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D630 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D60C 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D628 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D628 00000000
dsound.c:748: Test failed: Creating 32 bpp buffer on dx < 8 returned: 82D3D628 00000000