public function testToAclIdentityValidRole()
 {
     $identity = new SecurityIdentity();
     $identity->setIdentifier('ROLE_ADMIN');
     $identity->setUsername(false);
     $secIdentity = SecurityIdentity::toAclIdentity($identity);
     $this->assertInstanceOf('Symfony\\Component\\Security\\Acl\\Domain\\RoleSecurityIdentity', $secIdentity);
     $identity = new SecurityIdentity();
     $identity->setIdentifier('IS_AUTHENTICATED_ANONYMOUSLY');
     $identity->setUsername(false);
     $secIdentity = SecurityIdentity::toAclIdentity($identity);
     $this->assertInstanceOf('Symfony\\Component\\Security\\Acl\\Domain\\RoleSecurityIdentity', $secIdentity);
 }