Removed some unused testing code.

flake8/tests/test_main.py

@@ -1,32 +1,12 @@
 from __future__ import with_statement
 
 import unittest
-try:
-    from unittest import mock
-except ImportError:
-    import mock  # < PY33
 
 import setuptools
 from flake8 import main
 
 
 class TestMain(unittest.TestCase):
-    def setUp(self):
-        self.patches = {}
-
-    def tearDown(self):
-        assert len(self.patches.items()) == 0
-
-    def start_patch(self, patch):
-        self.patches[patch] = mock.patch(patch)
-        return self.patches[patch].start()
-
-    def stop_patches(self):
-        patches = self.patches.copy()
-        for k, v in patches.items():
-            v.stop()
-            del(self.patches[k])
-
     def test_issue_39_regression(self):
         distribution = setuptools.Distribution()
         cmd = main.Flake8Command(distribution)