public void WhenSetMusicalEvent_ThenEventTypeIsMusicalEvent()
        {
            MusicalEvent concert = new MusicalEvent(_price, _place, _dateOfEvent, _performer);

            Assert.AreEqual("Musical event", concert.EventType);
        }
        public void WhenSetMusicalEvent_ThenPerformerSet()
        {
            MusicalEvent concert = new MusicalEvent(_price, _place, _dateOfEvent, _performer);

            Assert.AreEqual(_performer, concert.performer);
        }
        public void WhenSetMusicalEvent_ThenToStringMethodOverriden()
        {
            MusicalEvent concert = new MusicalEvent(_price, _place, _dateOfEvent, _performer);

            Assert.True(concert.ToString().Contains("Performer: AC/DC"));
        }