diff --git a/layout/style/test/mochitest.ini b/layout/style/test/mochitest.ini
index 4b16c4e93f47..2346fef19e3c 100644
--- a/layout/style/test/mochitest.ini
+++ b/layout/style/test/mochitest.ini
@@ -14,6 +14,8 @@ prefs =
   layout.css.individual-transform.enabled=true
   layout.css.motion-path.enabled=true
   layout.css.motion-path-ray.enabled=true
+  layout.css.motion-path-basic-shapes.enabled=true
+  layout.css.motion-path-coord-box.enabled=true
   layout.css.motion-path-offset-position.enabled=true
   layout.css.overflow-logical.enabled=true
   layout.css.step-position-jump.enabled=true