public void Should_remove_crew_members()
{
var place = new PlaceMock();
var crewMemberThatMustStay = new Pilot("pilot name");
var crewMembersThatMustBeRemoved = new List <CrewMember>
{
new Policeman("policeman name"),
new Prisoner("prisoner name"),
};
var crewMembers = new List <CrewMember>();
crewMembers.Add(crewMemberThatMustStay);
crewMembers.AddRange(crewMembersThatMustBeRemoved);
place.Board(crewMembers);
place.Remove(crewMembersThatMustBeRemoved.First(), crewMembersThatMustBeRemoved.Last());
Assert.Contains(crewMemberThatMustStay, place.CrewMembers);
Assert.Single(place.CrewMembers);
}