SDL: Fix flags check in test code

SDL Commits
1 
From 09231c42ea9c6ca2d6cfddb75418f678f6a0a0a7 Mon Sep 17 00:00:00 2001
From: Alex Szpakowski <[EMAIL REDACTED]>
Date: Mon, 15 Feb 2021 11:51:00 -0400
Subject: [PATCH] Fix flags check in test code

---
 src/test/SDL_test_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/test/SDL_test_common.c b/src/test/SDL_test_common.c
index f592869cc..b574c2b27 100644
--- a/src/test/SDL_test_common.c
+++ b/src/test/SDL_test_common.c
@@ -1106,7 +1106,7 @@ SDLTest_CommonInit(SDLTest_CommonState * state)
 
             if (!state->skip_renderer
                 && (state->renderdriver
-                    || !(state->window_flags & (SDL_WINDOW_OPENGL | SDL_WINDOW_VULKAN)))) {
+                    || !(state->window_flags & (SDL_WINDOW_OPENGL | SDL_WINDOW_VULKAN | SDL_WINDOW_METAL)))) {
                 m = -1;
                 if (state->renderdriver) {
                     SDL_RendererInfo info;