d3d9/tests: Mark a few more message tests as flaky.

dlls/d3d9/tests/d3d9ex.c

@@ -3094,6 +3094,7 @@ static void test_wndproc(void)
         expect_messages = focus_loss_messages_filtered;
         windowposchanged_received = 0;
         SetForegroundWindow(GetDesktopWindow());
+        flaky_wine
         ok(!expect_messages->message, "Expected message %#x for window %#x, but didn't receive it, i=%u.\n",
                 expect_messages->message, expect_messages->window, i);
         flaky_if(i == 0 || i == 1)
@@ -3112,8 +3113,10 @@ static void test_wndproc(void)
         syscommand_received = 0;
         expect_messages = sc_restore_messages;
         SendMessageA(focus_window, WM_SYSCOMMAND, SC_RESTORE, 0);
+        flaky_wine
         ok(!expect_messages->message, "Expected message %#x for window %#x, but didn't receive it, i=%u.\n",
                 expect_messages->message, expect_messages->window, i);
+        flaky
         ok(syscommand_received == 1, "Got unexpected number of WM_SYSCOMMAND messages: %ld.\n", syscommand_received);
         expect_messages = NULL;
         flush_events();