--- a/testing/web-platform/meta/webaudio/the-audio-api/the-audioparam-interface/event-insertion.html.ini
+++ b/testing/web-platform/meta/webaudio/the-audio-api/the-audioparam-interface/event-insertion.html.ini
@@ -9,8 +9,17 @@
     expected: FAIL
 
   [< [Insert same event at same time\] 3 out of 12 assertions were failed.]
     expected: FAIL
 
   [# AUDIT TASK RUNNER FINISHED: 1 out of 4 tasks were failed.]
     expected: FAIL
 
+  [X Output at frame 384 (time 0.0234375) is not equal to 3. Got 98.]
+    expected: FAIL
+
+  [X Output at frame 512 (time 0.03125) is not equal to 4. Got 99.]
+    expected: FAIL
+
+  [< [Insert same event at same time\] 2 out of 12 assertions were failed.]
+    expected: FAIL
+