diff --git a/tests/js/sortable.test.js b/tests/js/sortable.test.js
index b4614ec..656e709 100644
--- a/tests/js/sortable.test.js
+++ b/tests/js/sortable.test.js
@@ -106,9 +106,10 @@ describe('initSortable', () => {
 
         initSortable()
 
+        const item = list.querySelector('[data-id]')
         const endEvent = createDragEvent('dragend')
         list.dispatchEvent(endEvent)
-        // no error thrown
+        expect(item.classList.contains('opacity-50')).toBe(false)
     })
 
     it('moves element before target on dragover above midpoint', () => {