[Bug 33718] New: comctl32:propsheet Add button test failure

http://bugs.winehq.org/show_bug.cgi?id=33718

Bug #: 33718
           Summary: comctl32:propsheet Add button test failure
           Product: Wine
           Version: 1.5.19
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: comctl32
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
    Classification: Unclassified

A number of VMs report this random test failure:

propsheet.c:543: Test failed: The Add button has not been pressed!

While it is random this test failure is frequent enough to cause significant
pollution of the test results. It  has been seen on the following systems:

comctl32 5.82.2900.2180 Windows XP SP2 + IE7
comctl32 5.82.2900.6028 Windows XP SP3 + IE8
comctl32 5.82.3790.3959 Windows 2003 Enterprise Server SP2 + IE8 
comctl32 5.82.6002.18305 Windows Vista Home Premium SP2 + IE9
comctl32 5.82.7601.17514 Windows 7 Ultimate SP1 64-bit + IE9 (32-bit tests)
comctl32 5.82.9200.16384 Windows 8