public function testUpdateConfig()
 {
     $attendeeRoles = $this->testSearchConfigs();
     $keyFieldConfig = json_decode($attendeeRoles['value'], true);
     $keyFieldConfig['records'][] = array('id' => 'CHAIR', 'value' => 'Chair');
     $attendeeRoles['value'] = json_encode($keyFieldConfig);
     $attendeeRoles['id'] = '';
     $this->_json->saveConfig($attendeeRoles);
     $updatedAttendeeRoles = $this->testSearchConfigs();
     $this->assertEquals($attendeeRoles['value'], $updatedAttendeeRoles['value']);
     return $updatedAttendeeRoles;
 }