Update the Angular/DI tests to latest from github.

third_party/pkg/angular/lib/directive/ng_bind_template.dart

 part of angular.directive;
 
 /**
- * The [NgBindTemplateDirective] specifies that the element text content should be replaced with
- * the interpolation of the template in the ngBindTemplate attribute. Unlike ngBind, the
- * ngBindTemplate can contain multiple {{ }} expressions.
+ * The [NgBindTemplateDirective] specifies that the element text content should
+ * be replaced with the interpolation of the template in the ngBindTemplate
+ * attribute. Unlike ngBind, the ngBindTemplate can contain multiple {{ }}
+ * expressions.
  */
 @NgDirective(
   selector: '[ng-bind-template]',
   map: const {'ng-bind-template': '@bind'})
 class NgBindTemplateDirective {
-  dom.Element element;
+  final dom.Element element;
 
   NgBindTemplateDirective(this.element);
 
   set bind(value) {
     element.text = value;
   }
 }