testautomation: only require accelated renderer with non-dummy video driver

test/testautomation_render.c

@@ -49,6 +49,7 @@ static int isSupported(int code);
 static void InitCreateRenderer(void *arg)
 {
     int width = 320, height = 240;
+    int renderer_flags = SDL_RENDERER_ACCELERATED;
     renderer = NULL;
     window = SDL_CreateWindow("render_testCreateRenderer", width, height, 0);
     SDLTest_AssertPass("SDL_CreateWindow()");
@@ -57,7 +58,11 @@ static void InitCreateRenderer(void *arg)
         return;
     }
 
-    renderer = SDL_CreateRenderer(window, NULL, SDL_RENDERER_ACCELERATED);
+    if (SDL_strcmp(SDL_GetCurrentVideoDriver(), "dummy") == 0) {
+        renderer_flags = 0;
+    }
+
+    renderer = SDL_CreateRenderer(window, NULL, renderer_flags);
     SDLTest_AssertPass("SDL_CreateRenderer()");
     SDLTest_AssertCheck(renderer != NULL, "Check SDL_CreateRenderer result");
     if (renderer == NULL) {