Adding Angular and dependent packages for testing

third_party/pkg/angular/test/directive/ng_cloak_spec.dart

+library ng_cloak_spec;
+
+import '../_specs.dart';
+
+main() {
+  describe('NgCloak', () {
+    TestBed _;
+
+    beforeEach(inject((TestBed tb) => _ = tb));
+
+
+    it('should get removed when an element is compiled', () {
+      var element = $('<div ng-cloak></div>');
+      expect(element.attr('ng-cloak')).toEqual('');
+      _.compile(element);
+      expect(element.attr('ng-cloak')).toBeNull();
+    });
+
+
+    it('should remove ngCloak class from a compiled element with attribute', () {
+      var element = $('<div ng-cloak class="foo ng-cloak bar"></div>');
+
+      expect(element.hasClass('foo')).toBe(true);
+      expect(element.hasClass('ng-cloak')).toBe(true);
+      expect(element.hasClass('bar')).toBe(true);
+
+      _.compile(element);
+
+      expect(element.hasClass('foo')).toBe(true);
+      expect(element.hasClass('ng-cloak')).toBe(false);
+      expect(element.hasClass('bar')).toBe(true);
+    });
+
+
+    it('should remove ngCloak class from a compiled element', () {
+      var element = $('<div class="foo ng-cloak bar"></div>');
+
+      expect(element.hasClass('foo')).toBe(true);
+      expect(element.hasClass('ng-cloak')).toBe(true);
+      expect(element.hasClass('bar')).toBe(true);
+
+      _.compile(element);
+
+      expect(element.hasClass('foo')).toBe(true);
+      expect(element.hasClass('ng-cloak')).toBe(false);
+      expect(element.hasClass('bar')).toBe(true);
+    });
+  });
+}