_TEST = {
         u"url": u"http://www.viddler.com/v/43903784",
         u'file': u'43903784.mp4',
     _TEST = {
         u"url": u"http://www.viddler.com/v/43903784",
         u'file': u'43903784.mp4',
             r"thumbnail\s*:\s*'([^']*)'",
             webpage, u'thumbnail', fatal=False)
 
             r"thumbnail\s*:\s*'([^']*)'",
             webpage, u'thumbnail', fatal=False)