[6/6] comdlg32: Add a basic test for IShellView2_CreateViewWindow2.

[Juan Lang]

> General observation: other tests in Wine explicitly check for specific
> hr values, is there a reason you have used the generic SUCCEEDED here
> instead of that approach?

In general we don't care what the return value on success is.
Applications sometimes sometimes do check for particular failure
conditions, but particular success conditions aren't checked nearly as
often.
--Juan