[mit] Fix MITIE test

diff --git a/youtube_dl/extractor/mit.py b/youtube_dl/extractor/mit.py
index 270fdf04b53fa3b7d2d5ecec28103ff133f6b0cc..807b1dc89b608333e06c1fbab2e9d806fb7d090f 100644 (file)
--- a/youtube_dl/extractor/mit.py
+++ b/youtube_dl/extractor/mit.py
@@ -73,7 +73,6 @@ class MITIE(TechTVMITIE):
 
     _TEST = {
         'url': 'http://video.mit.edu/watch/the-government-is-profiling-you-13222/',
-        'file': '.mp4',
         'md5': '7db01d5ccc1895fc5010e9c9e13648da',
         'info_dict': {
             'id': '21783',