public async Task AddPlayersToTeam_WhenUserId2TeamId5_ThenTeamId5(int userId, int teamId) { var team = new TeamDTO() { Id = teamId, Name = "TestName" }; await teamService.CreateTeam(team).ConfigureAwait(false); var user = new UserDTO() { Id = userId, FirstName = "FirstName", LastName = "LastName" }; await userService.CreateUser(user).ConfigureAwait(false); var count = await teamService.GetTeamById(team.Id).ConfigureAwait(false); await teamService.AddPlayersToTeam(userId, team.Id).ConfigureAwait(false); var countAfter = await teamService.GetTeamById(team.Id).ConfigureAwait(false); Assert.Equal(count.UserList?.Count + 1, countAfter.UserList.Count); }