public async Task CanFindWorkersOnTheWall()
        {
            var nightWatch = (await _visitorService.ListVisitors(Constants.CompanyId, email: null, companyName: "The Wall")).ToList();

            Assert.Equal(2, nightWatch.Count);
            VisitorDataComparer.CompareVisitor(2, nightWatch[0]);
            VisitorDataComparer.CompareVisitor(6, nightWatch[1]);
        }
        public async Task CanFindJonSnow()
        {
            var visitors = await _visitorService.ListVisitors(Constants.CompanyId, email : "*****@*****.**", companyName : "The Wall");

            var jon = Assert.Single(visitors);

            VisitorDataComparer.CompareVisitor(2, jon);
        }
        public async Task CanFindTyrion()
        {
            var visitors = await _visitorService.ListVisitors(Constants.CompanyId, email : "*****@*****.**", companyName : null);

            var tyrion = Assert.Single(visitors);

            VisitorDataComparer.CompareVisitor(4, tyrion);
        }