/**
  * testGetDOMDocumentReturnsLoadedDOMDocument
  *
  * Tests if Configuration::getDOMDocument returns the loaded DOMDocument instance
  *
  * @depends testGetWithDefaultConfiguration
  *
  * @access public
  * @return void
  **/
 public function testGetDOMDocumentReturnsLoadedDOMDocument()
 {
     $configuration = new Configuration(__DIR__ . '/Resources/configuration/default.xml', __DIR__ . '/Resources/xsd/default.xsd');
     $configuration->loadConfiguration(null);
     $this->assertInstanceOf('DOMDocument', $configuration->getDOMDocument());
 }