Tests: Remove QUnit start hook

Conflicts:
	test/data/testrunner.js

test/data/testrunner.js

 define(function() {
 
 // Allow subprojects to test against their own fixtures
-var oldStart = window.start,
-	qunitModule = QUnit.module,
+var qunitModule = QUnit.module,
 	qunitTest = QUnit.test,
 	// Store the old counts so that we only assert on tests that have actually leaked,
 	// instead of asserting every time a test has leaked sometime in the past
@@ -31,11 +30,6 @@ QUnit.config.requireExpects = true;
  * QUnit hooks
  */
 
-// Sandbox start for great justice
-window.start = function() {
-	oldStart();
-};
-
 function keys(o) {
 	var ret, key;
 	if ( Object.keys ) {