public void AddMember_sets_band_property_on_member()
{
var band = new BandModel();
var member = new Member();
band.AddMember(member);
Assert.AreSame(band, member.Band);
}
public void AddMember_increases_member_collection_by_one()
{
var band = new BandModel();
band.AddMember(new Member());
Assert.AreEqual(1, band.Members.Count);
}