anchor.diff:  ''';
       addTestFile(content);
   
  -    AnalysisResult result = await driver.getResult(testFile);
  +    result = await driver.getResult(testFile);
       CompilationUnit unit = result.unit;
       var typeProvider = unit.element.context.typeProvider;
   
  
positive.code:   }
  }
  ''');
      AnalysisResult result = await driver.getResult(testFile);
  
      ClassDeclaration cNode = result.unit.declarations[0];
      TypeParameterElement tElement = cNode.element.typeParameters[0];
  
negative.code:       expect(typePrefix.staticType, isDynamicType);
      }
  
      _assertInvocationTypeArguments(
          typeName.typeArguments, [intType, doubleType]);
      _assertInvocationArguments(creation.argumentList,
          [checkTopVarRef('arg1'), checkTopVarUndefinedNamedRef('arg2')]);
    }
  
    test_unresolved_instanceCreation_name_31() async {
  