Bug 885107 - Fix testharness tests outside dom/imptests. r=dbaron

dom/bindings/test/test_bug773326.html

@@ -5,11 +5,6 @@
 <script src=/resources/testharnessreport.js></script>
 <div id=log></div>
 <script>
-if (navigator.platform.startsWith("Linux")) {
-  SimpleTest.expectAssertions(0, 2);
-} else {
-  SimpleTest.expectAssertions(2);
-}
 test(function() {
   new Worker("data:text/javascript,new XMLHttpRequest(42)");
 }, "Should not crash")

dom/encoding/test/test_TextEncoder.html

@@ -12,12 +12,6 @@
 <div id="log"></div>
 <script>
 
-if (navigator.platform.startsWith("Win")) {
-  SimpleTest.expectAssertions(0, 2);
-} else {
-  SimpleTest.expectAssertions(2);
-}
-
 setup({explicit_done: true});
 runTest();