public function testSerialization()
 {
     $metadata = new OwnershipMetadata('ORGANIZATION', 'org', 'org_id');
     $data = serialize($metadata);
     $metadata = new OwnershipMetadata();
     $this->assertFalse($metadata->isOrganizationOwned());
     $this->assertEquals('', $metadata->getOwnerFieldName());
     $this->assertEquals('', $metadata->getOwnerColumnName());
     $metadata = unserialize($data);
     $this->assertTrue($metadata->isOrganizationOwned());
     $this->assertEquals('org', $metadata->getOwnerFieldName());
     $this->assertEquals('org_id', $metadata->getOwnerColumnName());
 }