diff --git a/jest-setup.js b/jest-setup.js
index 2c9b6f79738..541e5def8eb 100644
--- a/jest-setup.js
+++ b/jest-setup.js
@@ -1 +1,2 @@
 import '@testing-library/jest-dom/jest-globals'
+global.CSS = {supports: () => false}