public async void Can_Add_Users_To_Group()
        {
            string name = Utility.RandomString();

            UserGroupPoco group = await _groupService.CreateUserGroupAsync(name);

            group.Users.Add(Scaffold.GetUser2UserGroupPoco(group.GroupId));
            group.Users.Add(Scaffold.GetUser2UserGroupPoco(group.GroupId));
            group.Users.Add(Scaffold.GetUser2UserGroupPoco(group.GroupId));
            group.Users.Add(Scaffold.GetUser2UserGroupPoco(group.GroupId));

            UserGroupPoco updatedGroup = await _groupService.UpdateUserGroupAsync(group);

            Assert.Equal(4, updatedGroup.Users.Count());
        }