Bug 1718498 - Set ss/css-tables/collapsed-border-remove-cell.html as passing intermittently with ThreadSanitizer. DONTBUILD

Test and its failure expectation got added in bug 1717956 a week ago.

Differential Revision: https://phabricator.services.mozilla.com/D119062

testing/web-platform/meta/css/css-tables/collapsed-border-remove-cell.html.ini

@@ -1,3 +1,4 @@
 [collapsed-border-remove-cell.html]
   expected:
+    if tsan: ["PASS", "FAIL"]
     if not webrender: FAIL