public void Should_check_if_closed(ConferenceState state, bool isClosed)
        {
            var conference = new ConferenceBuilder()
                             .WithConferenceStatus(state).Build();

            conference.IsClosed().Should().Be(isClosed);
        }
        public void Should_not_be_closed_by_default()
        {
            var conference = new ConferenceBuilder().Build();

            conference.IsClosed().Should().BeFalse();
        }