diff --git a/test/input-test.html b/test/input-test.html
index 59c5b8b..ea74075 100644
--- a/test/input-test.html
+++ b/test/input-test.html
@@ -205,7 +205,7 @@
           });
         });
 
-        it(`should reflect to attribute when readonly property is set`, () => {
+        it('should reflect to attribute when readonly property is set', () => {
           timePicker.readonly = true;
           expect(timePicker.hasAttribute('readonly')).to.be.true;
         });