diff --git a/tests/frontend/specs/responsiveness.js b/tests/frontend/specs/responsiveness.js
index 053ade217..e6552642f 100644
--- a/tests/frontend/specs/responsiveness.js
+++ b/tests/frontend/specs/responsiveness.js
@@ -77,7 +77,7 @@ describe('Responsiveness of Editor', function() {
         var end = Date.now(); // get the current time
         var delay = end - start; // get the delay as the current time minus the start time
 
-        expect(delay).to.be.below(300);
+        expect(delay).to.be.below(400);
         done();
       }, 1000);