public void Should_Be_Older_Team_Player() { SoccerTeamsManager.SoccerTeamsManager manager = new SoccerTeamsManager.SoccerTeamsManager(); _mockTeam.ForEach(team => manager.AddTeam(team.Id, team.Name, team.Created, team.MainShirtColor, team.SecondaryShirtColor)); _mockPlayer.ForEach(player => manager.AddPlayer(player.Id, player.TeamId, player.Name, player.BirthDate, player.SkillLevel, player.Salary)); long id = manager.GetOlderTeamPlayer(1); Assert.Equal(1, id); }