public function testConvert()
 {
     $inputFile = getcwd() . '/Data/Input/test.eml';
     $folder = new Folder();
     $folder->uploadFile($inputFile, '');
     $converter = new Converter('test.eml');
     $converter->saveFormat = 'msg';
     $converter->convert();
     $this->assertFileExists(getcwd() . '/Data/output/test.msg');
 }