De-flake document-write/051.html test

The trailing \n was sometimes included and sometimes not, depending on parse timing. Now it looks for the trailing <div> and checks based on that. Fixed: 1254934 Change-Id: Ic443fd587922c8af7ddde5496fb195a488e178fa Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3246461 Commit-Queue: Mason Freed <masonf@chromium.org> Commit-Queue: Joey Arhar <jarhar@chromium.org> Auto-Submit: Mason Freed <masonf@chromium.org> Reviewed-by: Joey Arhar <jarhar@chromium.org> Cr-Commit-Position: refs/heads/main@{#935259}
web-platform-tests · Oct 27, 2021 · d651830 · d651830
1 parent facfe02
commit d651830
Showing 1 changed file with 11 additions and 5 deletions.
diff --git a/html/webappapis/dynamic-markup-insertion/document-write/051.html b/html/webappapis/dynamic-markup-insertion/document-write/051.html
@@ -1,16 +1,22 @@
 <!doctype html>
 <title>document.write \r\n</title>
-<script src="/resources/testharness.js"></script><script src="/resources/testharnessreport.js"></script>
-<div id="log"></div><script>
-var t = async_test()
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<div id="log"></div>
+
+<script>
+var t = async_test();
+
 t.step(function() {
   document.write("\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nA");
 })
 
 onload = function() {
   t.step(function() {
-    assert_equals(document.body.lastChild.data, "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nA\n");
+    const lastNode = document.getElementById('after');
+    assert_equals(lastNode.previousSibling.data, "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nAB");
   });
   t.done();
 };
-</script>
+</script>B<div id=after></div>