d3d9/tests: Check some more return values (LLVM/Clang).

dlls/d3d9/tests/surface.c

@@ -142,6 +142,7 @@ static void test_surface_alignment(IDirect3DDevice9 *device_ptr)
          */
         ok(lockedRect.Pitch == 12, "Got pitch %d, expected 12\n", lockedRect.Pitch);
         hr = IDirect3DSurface9_UnlockRect(surface_ptr);
+        ok(SUCCEEDED(hr), "IDirect3DSurface9_UnlockRect returned %#x.\n", hr);
         IDirect3DSurface9_Release(surface_ptr);
     }
 

dlls/d3d9/tests/texture.c

@@ -335,6 +335,7 @@ static void test_filter(IDirect3DDevice9 *device) {
     }
 
     hr = IDirect3DDevice9_SetTexture(device, 0, NULL);
+    ok(SUCCEEDED(hr), "IDirect3DDevice9_SetTexture returned %#x.\n", hr);
     IDirect3DTexture9_Release(texture);
 
     out: