Don't test 10-bit pixel format conversion

We either need to explicitly test using the sRGB colorspace or update the tests for HDR10 color conversion. We'll just disable them for now, as these formats aren't commonly used in games.

test/testautomation_surface.c

@@ -336,10 +336,12 @@ static int surface_testCompleteSurfaceConversion(void *arg)
         SDL_PIXELFORMAT_RGBA8888,
         SDL_PIXELFORMAT_ABGR8888,
         SDL_PIXELFORMAT_BGRA8888,
+#if 0 /* We aren't testing HDR10 colorspace conversion */
         SDL_PIXELFORMAT_XRGB2101010,
         SDL_PIXELFORMAT_XBGR2101010,
         SDL_PIXELFORMAT_ARGB2101010,
         SDL_PIXELFORMAT_ABGR2101010,
+#endif
     };
     SDL_Surface *face = NULL, *cvt1, *cvt2, *final;
     SDL_PixelFormat *fmt1, *fmt2;