Bug 1274741 - Skip the Fetch nestedWorkerTest on Windows for causing frequent WinXP timeouts in other DOM mochitests. r=bkelly

--HG--
extra : rebase_source : a91083d320543e7beb4abaf57559850ed47dad66

dom/tests/mochitest/fetch/fetch_test_framework.js

@@ -141,7 +141,9 @@ function testScript(script) {
       return workerTest();
     })
     .then(function() {
-      return nestedWorkerTest();
+      // XXX Bug 1281212 - This makes other, unrelated test suites fail, primarily on WinXP.
+      let isWin = navigator.platform.indexOf("Win") == 0;
+      return isWin ? undefined : nestedWorkerTest();
     })
     .then(function() {
       return serviceWorkerTest();