public void DoesVenueExist_ChecksByName()
        {
            var venue = VenueGenerator.Create();

            venue.VenueName = "King's College";
            using (var context = new booking_facilitiesContext(contextOptions))
            {
                context.Database.EnsureCreated();
                context.Venue.Add(venue);
                context.SaveChanges();
                var repository = new VenueRepository(context);
                Assert.True(repository.DoesVenueExist("King's College"));
                Assert.False(repository.DoesVenueExist("Queens's College"));
            }
        }