public void IsValid_EmailAddressIsNullEmptyOrInvalid_ReturnsTrue(string emailAddress)
        {
            // Arrange
            InternalEmailAddressAttribute attribute = new InternalEmailAddressAttribute();

            // Act
            bool result = attribute.IsValid(emailAddress);

            // Assert
            Assert.Equal(true, result);
        }
        public void IsValid_EmailAddressIsNullEmptyOrInvalid_ReturnsTrue(string emailAddress)
        {
            // Arrange
            InternalEmailAddressAttribute attribute = new InternalEmailAddressAttribute();

            // Act
            bool result = attribute.IsValid(emailAddress);

            // Assert
            Assert.Equal(true, result);
        }
        public void IsValid_EmailAddressDoesBelongToCompetentAuthority_ReturnsTrue(string emailAddress)
        {
            // Arrange
            InternalEmailAddressAttribute attribute = new InternalEmailAddressAttribute();

            // Act
            bool result = attribute.IsValid(emailAddress);

            // Assert
            Assert.Equal(true, result);
        }
        public void IsValid_EmailAddressDoesBelongToCompetentAuthority_ReturnsTrue(string emailAddress)
        {
            // Arrange
            InternalEmailAddressAttribute attribute = new InternalEmailAddressAttribute();

            // Act
            bool result = attribute.IsValid(emailAddress);

            // Assert
            Assert.Equal(true, result);
        }