public function testAuthenticateInvalidUser()
{
$user = \BaseUser::findFirst(array(array('email' => '*****@*****.**')));
$auth = DI::getDefault()->get('authNoCredential');
$this->assertEmpty($user);
$this->assertNotInstanceOf('\\Vegas\\Security\\Authentication\\GenericUserInterface', $user);
$this->setExpectedException('\\PHPUnit_Framework_Error');
//Argument 1 passed to Vegas\Security\Authentication::authenticate()
//must implement interface Vegas\Security\Authentication\GenericUserInterface, boolean given
$auth->authenticate($user, null);
}