public function testGetTagThrowsOnTypeDetectionFailure()
 {
     $tagger = new Tagger();
     try {
         $tag = $tagger->getTag('myscript.gif');
         $this->fail('Should throw ExtensionParsingException');
     } catch (ExtensionParsingException $e) {
         $this->assertInstanceOf('JsPackager\\Exception\\ExtensionParsingException', $e);
         $this->assertEquals($e->getItemThatFailedToParse(), 'myscript.gif');
     }
 }