diff --git a/tests/Button.test.svelte b/tests/Button.test.svelte
index 63a0b11f..189de59c 100644
--- a/tests/Button.test.svelte
+++ b/tests/Button.test.svelte
@@ -3,7 +3,7 @@
   import Add from "carbon-icons-svelte/lib/Add.svelte";
 </script>
 
-<Button>Primary button</Button>
+<Button data-test-id="btn">Primary button</Button>
 
 <Button kind="secondary">Secondary button</Button>