kernel32/tests: add test for RemoveDirectory

[Zhenbo Li]

2013/12/26 刘涛 <wendaotao at 163.com>:
> I think that if you want GetLastError(),  "SetLastError( 0xdeadbeef );"
> should be added before every function which could  SetLastError().


Thanks for mentioning that.
Most wine test cases don't call SetLastError, I don't know the reason,
and I just followed previous code.

BTW, in patch f39c64a85ce3617bd1008f
I've added `SetLastError(0xdeadbeef)`, but it was removed by Alexandre Julliard

-- 
Have a nice day!
Zhenbo Li