Ensure _.noConflict operates on root and not context.

lodash.src.js

@@ -738,7 +738,7 @@
     var objToString = objectProto.toString;
 
     /** Used to restore the original `_` reference in `_.noConflict`. */
-    var oldDash = context._;
+    var oldDash = root._;
 
     /** Used to detect if a method is native. */
     var reIsNative = RegExp('^' +
@@ -11558,7 +11558,7 @@
      * var lodash = _.noConflict();
      */
     function noConflict() {
-      context._ = oldDash;
+      root._ = oldDash;
       return this;
     }
 

test/test.js

@@ -11443,23 +11443,30 @@
   QUnit.module('lodash.noConflict');
 
   (function() {
-    test('should return the `lodash` function', 1, function() {
+    test('should return the `lodash` function', 2, function() {
       if (!isModularize) {
         var oldDash = root._;
         strictEqual(_.noConflict(), oldDash);
+
+        if (!(isRhino && typeof require == 'function')) {
+          notStrictEqual(root._, oldDash);
+        }
+        else {
+          skipTest();
+        }
         root._ = oldDash;
       }
       else {
-        skipTest();
+        skipTest(2);
       }
     });
 
-    test('should work with a `context` of `this`', 2, function() {
+    test('should work with a `root` of `this`', 2, function() {
       if (!isModularize && !document && _._object) {
         var fs = require('fs'),
             vm = require('vm'),
             expected = {},
-            context = vm.createContext({ '_': expected }),
+            context = vm.createContext({ '_': expected, 'console': console }),
             source = fs.readFileSync(filePath);
 
         vm.runInContext(source + '\nthis.lodash = this._.noConflict()', context);