comctl32/tests: make sure to use return values (LLVM/Clang) (try 2)

[Dmitry Timoshkov]

Austin English <austinenglish at gmail.com> wrote:

> +    r = SendMessage(hwnd, LVM_SETICONSPACING, 0, MAKELONG(100,50));
> +    ok(r, "failed\n");

Please use a more informative failure message.

>      r = SendMessage(hwnd, WM_NOTIFYFORMAT, 0, NF_QUERY);
> +    todo_wine expect(2, r);

2 is NFR_UNICODE.

-- 
Dmitry.