fix(forms): disabled form tests on cjs until fakeAsync is fixed

Author: vsavkin

tools/broccoli/trees/node_tree.ts

@@ -23,7 +23,8 @@ module.exports = function makeNodeTree(destinationPath) {
       // the following code and tests are not compatible with CJS/node environment
       'angular2/test/core/zone/**',
       'angular2/test/test_lib/fake_async_spec.ts',
-      'angular2/test/services/xhr_impl_spec.ts'
+      'angular2/test/services/xhr_impl_spec.ts',
+      'angular2/test/forms/**'
     ]
   });