public void When_Changing_Group_Admin_Then_Rights_Are_Swapped()
{
_business = new ServerBusiness(GroupsSaveFile, ClientsSaveFile);
_business.CreateUser("soyElAdmin", "holaSombreros");
_business.CreateUser("noSoyElAdmin", "laAguaAzul");
_business.CreateGroup("LosBanditos", "¡Mira este hijo!", "soyElAdmin");
_business.SendClientGroupInvitation("soyElAdmin", "noSoyElAdmin", "LosBanditos");
_business.AcknowledgeInvite("noSoyElAdmin", "LosBanditos", true);
Assert.AreEqual("soyElAdmin", _business.GetGroupList().FirstOrDefault(g => g.Name == "LosBanditos")?.Administrator.Name);
_business.ChangeAdministratorGroup("soyElAdmin", "noSoyElAdmin", "LosBanditos");
Assert.AreEqual("noSoyElAdmin", _business.GetGroupList().FirstOrDefault(g => g.Name == "LosBanditos")?.Administrator.Name);
}
