public void ShouldNotBeEqualToNull()
        {
            var dateTime = new CypherDateTimeWithZoneId(1947, 12, 17, 15, 12, 01, 789000000, "Europe/Rome");
            var other    = (object)null;

            dateTime.Equals(other).Should().BeFalse();
        }
        public void ShouldNotBeEqualToAnotherType()
        {
            var dateTime = new CypherDateTimeWithZoneId(1947, 12, 17, 15, 12, 01, 789000000, "Europe/Rome");
            var other    = "some string";

            dateTime.Equals(other).Should().BeFalse();
        }