public void LoadDropsPasswordWithoutModificationTimeInVersion1File( )
        {
            // Set up
            XElement element = new PasswordDigestDocumentBuilder { Key = "aKey", CreatedOn = new DateTime( 123456789123L ) };

            element.Elements( PasswordSerializer.ModifiedElement ).Remove( );

            SaveXml( new XElement( PasswordSerializer.PasswordStoreElement,
                                   new XAttribute( PasswordSerializer.VersionAttribute, "1" ),
                                   element ) );

            // Exercise
            IEnumerable<PasswordDigestDocument> passwords = _serializer.Load( _textResource );
            // Verify
            Assert.That( passwords, Is.Empty );
        }