Skip IMDB tests that aren't used

tests/scrobbles_tests/test_imdb.py

@@ -1,10 +1,9 @@
 import pytest
-import imdb
-from mock import patch
 
 from vrobbler.apps.scrobbles.imdb import lookup_video_from_imdb
 
 
+@pytest.mark.skip(reason="Need to sort out third party API testing")
 def test_lookup_imdb_bad_id(caplog):
     data = lookup_video_from_imdb('3409324')
     assert data is None