public void ToStringReturnsCorrectResult()
        {
            // Arrange
            string expected = Guid.NewGuid().ToString();
            var    sut      = new EmailAddressLocalPart(expected);
            // Act
            var result = sut.ToString();

            // Assert
            Assert.Equal(expected, result);
        }
        public void ToStringReturnsCorrectResult()
        {
            // Fixture setup
            string expected = Guid.NewGuid().ToString();
            var    sut      = new EmailAddressLocalPart(expected);
            // Exercise system
            var result = sut.ToString();

            // Verify outcome
            Assert.Equal(expected, result);
            // Teardown
        }