anchor.diff:  import 'package:analyzer/dart/analysis/features.dart';
   import 'package:analyzer/src/error/codes.dart';
   import 'package:analyzer/src/generated/engine.dart';
  -import 'package:test/test.dart';
   import 'package:test_reflective_loader/test_reflective_loader.dart';
   
   import 'driver_resolution.dart';
  
positive.code: ''');
  
      var invocation = findNode.methodInvocation('b.a()');
      var declaration = findNode.methodDeclaration('void /*2*/ a()');
      expect(invocation.methodName.staticElement, declaration.declaredElement);
    }
  
    @failingTest
  
negative.code: }
  
  extension B_Ext<T> on B<T> {
    void f(T x) { }
  }
  
  main() {
  