private function assertUserMapperHasCorrectDefaultPropertyValues(UserMapper $userMapper)
 {
     $this->assertEquals('uid', $userMapper->getLdapUserIdField());
     $this->assertEquals('sn', $userMapper->getLdapLastNameField());
     $this->assertEquals('givenname', $userMapper->getLdapFirstNameField());
     $this->assertEquals('cn', $userMapper->getLdapAliasField());
     $this->assertEquals('mail', $userMapper->getLdapMailField());
     $this->assertEquals('userpassword', $userMapper->getLdapUserPasswordField());
     $this->assertEquals('@mydomain.com', $userMapper->getUserEmailSuffix());
 }