/**
  * testGetRegistryData
  */
 public function testGetRegistryData()
 {
     $result = $this->_json->getRegistryData();
     $this->assertTrue(is_array($result));
     $this->assertTrue(isset($result['configExists']));
     $this->assertTrue(isset($result['configWritable']));
     $this->assertTrue(isset($result['checkDB']));
     $this->assertTrue(isset($result['setupChecks']));
     $this->assertFalse($result['setupRequired']);
     $this->assertTrue(is_array($result['authenticationData']));
 }