public void Item_RegisterForExternal_Works() { EquipmentItem sut = new EquipmentItem(); sut.MakeExternalInstallsPermitted(); ValidateFitPosition(sut, MountPoint.Forward); ValidateFitPosition(sut, MountPoint.Backward); ValidateFitPosition(sut, MountPoint.Nearside); ValidateFitPosition(sut, MountPoint.Offside); }