user/tests: Flush events before running mouse tests

[Dmitry Timoshkov]

Hello,

Changelog:
    user/tests: Flush events before running mouse tests.

--- cvs/hq/wine/dlls/user/tests/win.c	2006-08-05 15:05:54.000000000 +0900
+++ wine/dlls/user/tests/win.c	2006-09-30 16:01:57.000000000 +0900
@@ -2524,6 +2524,7 @@ static void test_mouse_input(HWND hwnd)
     ShowWindow(popup, SW_SHOW);
 
     while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE)) DispatchMessageA(&msg);
+    flush_events();
 
     mouse_event(MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0);
     mouse_event(MOUSEEVENTF_LEFTUP, 0, 0, 0, 0);