public function testGetProtectedEnrichmentKeysNotConfigured()
 {
     $model = new Admin_Model_EnrichmentKeys();
     $config = new Zend_Config(array());
     $model->setConfig($config);
     $protectedKeys = $model->getProtectedEnrichmentKeys();
     $this->assertInternalType('array', $protectedKeys);
     $this->assertCount(0, $protectedKeys);
 }