Bug 1628788 - update expectancy for valid-with-semicolon.https.html on mac and linux r=jmaher DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D81468

testing/web-platform/meta/origin-policy/content-security/valid-with-semicolon.https.html.ini

@@ -2,8 +2,8 @@
   expected:
     if (os == "win") and not fission and (processor == "x86_64") and not debug and webrender: ["TIMEOUT", "OK"]
     if (os == "win") and not fission and (processor == "x86_64") and debug and not webrender: ["TIMEOUT", "OK"]
-    if (os == "linux") and debug: OK
-    if os == "mac": OK
+    if (os == "linux") and debug: ["OK", "TIMEOUT"]
+    if os == "mac": ["OK", "TIMEOUT"]
     [OK, TIMEOUT]
   [img loading must be disallowed]
     expected: FAIL