public PersonWithPersonIdFromConstructor GetPersonWithPersonIdFromConstructor()
 {
     var person = new PersonWithPersonIdFromConstructor
     {
         FirstName = "Joe",
         LastName = "Reynolds"
     };
     if (person.PersonId == Guid.Empty)
         throw new ArgumentException($"{nameof(person.PersonId)} was empty");
     return person;
 }
        public PersonWithPersonIdFromConstructor GetPersonWithPersonIdFromConstructor()
        {
            var person = new PersonWithPersonIdFromConstructor
            {
                FirstName = "Joe",
                LastName  = "Reynolds"
            };

            if (person.PersonId == Guid.Empty)
            {
                throw new ArgumentException($"{nameof(person.PersonId)} was empty");
            }
            return(person);
        }