anchor.diff:        return response.mockContent;
       });
     }
  -  ;
   
     assert(_isMockTestExpando[currentTestCase] == false);
   
  
positive.code:       return response.mockContentBinary;
      });
    }
    ;
  
    assert(_isMockTestExpando[currentTestCase] == false);
  
  
negative.code:     name = '$name, with mocks';
    }
  
    test(name, () async {
      // see subsequent access to this expando below
      _isMockTestExpando[currentTestCase] = useMocks;
  
      var dir = Directory.systemTemp.createTempSync('http_server_virtual_');
  
      try {
        await func(dir);
      } finally {
        await dir.delete(recursive: true);
      }
    });
  }
  
  