implemented first testcase for dxdiagn

[Vitaliy Margolen]

Markus wrote:
> 
> ------------------------------------------------------------------------
> 
> 

> +        hr = IDxDiagContainer_GetNumberOfProps(pAdapterContainer, &dwPropCount);
> +        ok(dwPropCount == 72, "Incorrect number of properties in display adapter container. "
> +            "Found (%d) should be (%d).\n", dwPropCount, 72);

I don't think you can relay on that being true all the time. Besides what's 
the point in testing the number of properties?

As a general note - if you add a test that currently fails on Wine it needs 
todo_wine at front of it.

Vitaliy.