d3dx9/tests: Fix a D3DXCheckTextureRequirements test failing on Windows.

dlls/d3dx9_36/tests/texture.c

@@ -171,11 +171,17 @@ static void test_D3DXCheckTextureRequirements(IDirect3DDevice9 *device)
     IDirect3DDevice9_GetCreationParameters(device, &params);
     IDirect3DDevice9_GetDisplayMode(device, 0, &mode);
 
-    if(SUCCEEDED(IDirect3D9_CheckDeviceFormat(d3d, params.AdapterOrdinal, params.DeviceType,
-                                              mode.Format, 0, D3DRTYPE_TEXTURE, D3DFMT_R3G3B2)))
+    if (SUCCEEDED(IDirect3D9_CheckDeviceFormat(d3d, params.AdapterOrdinal, params.DeviceType,
+                                               mode.Format, 0, D3DRTYPE_TEXTURE, D3DFMT_R3G3B2)))
         expected = D3DFMT_R3G3B2;
     else
-        expected = D3DFMT_X4R4G4B4;
+    {
+        if (SUCCEEDED(IDirect3D9_CheckDeviceFormat(d3d, params.AdapterOrdinal, params.DeviceType,
+                                                   mode.Format, 0, D3DRTYPE_TEXTURE, D3DFMT_X4R4G4B4)))
+            expected = D3DFMT_X4R4G4B4;
+        else
+            expected = D3DFMT_X1R5G5B5;
+    }
 
     format = D3DFMT_R3G3B2;
     hr = D3DXCheckTextureRequirements(device, NULL, NULL, NULL, 0, &format, D3DPOOL_DEFAULT);