oledb32: Add more database tests

[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
http://testbot.winehq.org/JobDetails.pl?Key=26031

Your paranoid android.


=== WXPX64 (64 bit database) ===
database.c:166: Test failed: got L"Provider=SQLOLEDB.1;Data Source=dummy"

=== WVISTAX64 (64 bit database) ===
database.c:166: Test failed: got L"Provider=SQLOLEDB.1;Data Source=dummy"

=== W7PROX64 (64 bit database) ===
database.c:166: Test failed: got L"Provider=SQLOLEDB.1;Data Source=dummy"

=== TEST64_W7SP1 (64 bit database) ===
database.c:166: Test failed: got L"Provider=SQLOLEDB.1;Data Source=dummy"