user32/tests: Move shell test to the end - killing explorer affects lots of tests.

dlls/user32/tests/win.c

@@ -4935,7 +4935,6 @@ START_TEST(win)
     test_CreateWindow();
     test_parent_owner();
     test_SetParent();
-    test_shell_window();
 
     test_mdi();
     test_icons();
@@ -4968,6 +4967,8 @@ START_TEST(win)
     test_Expose();
     test_layered_window();
 
+    test_shell_window();
+
     /* add the tests above this line */
     UnhookWindowsHookEx(hhook);
 }