private IPerson GeneratePerson(IFloor floor)
{
var otherFloors = _building.GetFloorsExcept(floor);
var otherFloorList = otherFloors.ToList();
if (!otherFloorList.Any())
{
throw new InvalidOperationException(nameof(otherFloors));
}
var targetFloor = otherFloorList.GetRandomElement();
return(new Person(floor.FloorNumber, targetFloor.FloorNumber));
}
