anchor.diff:  
         //then
         history.getLogs(callsTo("replaceState")).verify(happenedExactly(historyReplaceCalls));
  -      history.getLogs(callsTo("pushState")).verify(++historyPushCalls);
  +      history.getLogs(callsTo("pushState")).verify(happenedExactly(++historyPushCalls));
       });
   
       test('PageNavigator navigate to non existing site', () {
  
positive.code: 
        //then (should propagate the change in data to view)
        expect(pageNavigator.activePath, equals(pathNew));
  
        //view data state
        expect(viewOneParameter.data, isNot(null));
  
negative.code:     });
  
      test('PageNavigator navigate to same view with different params', () {
        print("Printing history");
        print(history.getLogs());
        //given
        Map paramsNew = {'one_parameter': 'trosku_pan'};
        var pathNew = routeOneParameter.path(paramsNew);
  