[EventTiming] Fix programmatic click test

Commits aee8357d3fcb0967069d7f72e2f7fab019d61c4e and
faed29aa6dc92cbae6e313b401d23df99e973bc1 landed almost at the same time,
so we accidentally landed a test with the wrong script src for the
helper functions.

Bug: 961547
Change-Id: Id8a615477a54e56139d9d90fc4feb5f780b729a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1606225
Reviewed-by: Liquan (Max) Gu <maxlg@chromium.org>
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#658761}
diff --git a/event-timing/programmatic-click-not-observed.html b/event-timing/programmatic-click-not-observed.html
index 1324a17..d991327 100644
--- a/event-timing/programmatic-click-not-observed.html
+++ b/event-timing/programmatic-click-not-observed.html
@@ -8,7 +8,7 @@
 <script src=/resources/testdriver.js></script>
 <script src=/resources/testdriver-vendor.js></script>
 
-<script src=resources/event-timing-support.js></script>
+<script src=resources/event-timing-test-utils.js></script>
 <script>
   let delayCalled = false;
   let beforeClick;