Backed out changeset 54e4545b0fe0 (bug 1380338) for breaking spidermonkey pkg due to failing to process taskgraph/test/python.ini. r=backout

taskcluster/taskgraph/test/test_util_docker.py

@@ -11,8 +11,8 @@ import tarfile
 import tempfile
 import unittest
 
-from taskgraph.util import docker
-from mozunit import main, MockedOpen
+from ..util import docker
+from mozunit import MockedOpen
 
 
 MODE_STANDARD = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH
@@ -210,7 +210,3 @@ class TestDocker(unittest.TestCase):
                 ])
         finally:
             shutil.rmtree(tmp)
-
-
-if __name__ == '__main__':
-    main()