public function provideInvalidUsers()
{
return array(array($this->provideInvalidUserWithoutPassword(), 'The value for "userPassword" is missing!'), array($this->provideInvalidUserWithoutGivenName(), 'Either the last name or the given name is missing!'), array($this->provideInvalidUserWithoutLastName(), 'Either the last name or the given name is missing!'), array($this->provideInvalidUserWithoutMail(), 'The value for "mail" is missing!'));
}