Show the window after creating the renderer

This hides any window recreation that might need to be done by the OpenGL renderers

src/test/SDL_test_common.c

@@ -1497,8 +1497,6 @@ SDL_bool SDLTest_CommonInit(SDLTest_CommonState *state)
                 }
             }
 
-            SDL_ShowWindow(state->windows[i]);
-
             if (!SDL_RectEmpty(&state->confine)) {
                 SDL_SetWindowMouseRect(state->windows[i], &state->confine);
             }
@@ -1530,6 +1528,8 @@ SDL_bool SDLTest_CommonInit(SDLTest_CommonState *state)
                     SDLTest_PrintRenderer(&info);
                 }
             }
+
+            SDL_ShowWindow(state->windows[i]);
         }
     }