public void HasExpired_WithExpireTimeBeingCurrentTime_IsFalse()
        {
            var sut = new PetrisPizzeriaMembership(Guid.Empty, new DateTime(2020, 2, 1));

            var actual = sut.HasExpired();

            Assert.IsFalse(actual);
        }
        public void HasExpired_WithExpireTimeBeingPassed_IsTrue()
        {
            var sut = new PetrisPizzeriaMembership(Guid.Empty, new DateTime(2020, 4, 1));

            var actual = sut.HasExpired();

            Assert.IsTrue(actual);
        }
        public void HasExpired_WithExpireTimeNotSet_IsFalse()
        {
            var sut = new PetrisPizzeriaMembership(Guid.Empty, null);

            var actual = sut.HasExpired();

            Assert.IsFalse(actual);
        }