diff --git a/js/tests/unit/dropdown.spec.js b/js/tests/unit/dropdown.spec.js
index 1c3e8652f3..7121857841 100644
--- a/js/tests/unit/dropdown.spec.js
+++ b/js/tests/unit/dropdown.spec.js
@@ -1653,6 +1653,7 @@ describe('Dropdown', () => {
       const input = fixtureEl.querySelector('input')
 
       triggerDropdown.addEventListener('hidden.bs.dropdown', () => {
+        expect().nothing()
         done()
       })