public function testAddDefinition()
 {
     $uuid = NSDR::create_guid();
     $nsdrParams = array('uuid' => $uuid, 'namespace' => 'com.clearhealth.person.age', 'aliasFor' => 'com.clearhealth.person.dateOfBirth');
     $objNSDR = new NSDRDefinition();
     $objNSDR->populateWithArray($nsdrParams);
     // workaround for Unknown column 'methodName'/'method' in 'field list'
     $objNSDR->methodName = array();
     $objNSDR->method = array();
     $objNSDR->persist();
     $nsdrDefinition = new NSDRDefinition();
     $nsdrDefinition->uuid = $uuid;
     $nsdrDefinition->populate();
     $this->assertEquals('com.clearhealth.person.age', $nsdrDefinition->namespace);
 }