[3/6]user32/tests: Test for SwitchDesktop API

[James McKenzie]

shanmukha sainath addepalli wrote:
> Hi,
>
>        The test for SwitchDesktop has not submitted earlier. This test
> performs switching between two desktops using SwitchDesktop API.
>   
Will this test and the other test compile into winetest_latest.exe and
will this test give the results you expect on any version of Windows (95
through 7)?

These test should be added first before adding any code to the existing
Wine base and validated to have correct values.

James McKenzie