feat(zone): add initial implementation of VmTurnZone

modules/test_lib/src/test_lib.dart

@@ -66,4 +66,4 @@ _handleAsync(fn) {
   }
 
   return fn;
-}
+}

modules/test_lib/src/test_lib.es6

@@ -77,7 +77,6 @@ window.beforeEach(function() {
   });
 });
 
-
 function mapToString(m) {
   if (!m) {
     return ''+m;

modules/test_lib/src/utils.js

@@ -0,0 +1,23 @@
+import {List, ListWrapper} from 'facade/collection';
+
+export class Log {
+  _result:List;
+
+  constructor() {
+    this._result = [];
+  }
+
+  add(value) {
+    ListWrapper.push(this._result, value);
+  }
+
+  fn(value) {
+    return () => {
+      ListWrapper.push(this._result, value);
+    }
+  }
+
+  result() {
+    return ListWrapper.join(this._result, "; ");
+  }
+}

modules/test_lib/test/test_lib_spec.js

@@ -1,5 +1,6 @@
-import {describe, it, iit, ddescribe, expect} from 'test_lib/test_lib';
-import {MapWrapper} from 'facade/collection';
+import {describe, it, iit, ddescribe, expect, tick, async} from 'test_lib/test_lib';
+import {MapWrapper, ListWrapper} from 'facade/collection';
+import {PromiseWrapper} from 'facade/async';
 
 class TestObj {
   prop;