public void Equal_Returns_True_If_Both_Identifiers_Null()
 {
     EntityIdentifier
     .Equal(null, null)
     .Should()
     .BeTrue();
 }
        public void Equal_Returns_False_If_Identifiers_Differ()
        {
            var identifierOne = new EntityIdentifier("Bravo");
            var identifierTwo = new EntityIdentifier("Charlie");

            EntityIdentifier
            .Equal(identifierOne, identifierTwo)
            .Should()
            .BeFalse();
        }
        public void Equal_Returns_True_If_Identifiers_Equal()
        {
            var identifierOne = new EntityIdentifier("Alpha");
            var identifierTwo = new EntityIdentifier("ALPHa");

            EntityIdentifier
            .Equal(identifierOne, identifierTwo)
            .Should()
            .BeTrue();
        }
 public void Equal_Returns_False_If_One_Identifier_Null()
 {
     EntityIdentifier
     .Equal(new EntityIdentifier(885), null)
     .Should()
     .BeFalse();
     EntityIdentifier
     .Equal(null, new EntityIdentifier(Guid.NewGuid()))
     .Should()
     .BeFalse();
 }