Made test_config_csv clean up after itself, so test_rlists would pass

tests/test_config_csv.py

@@ -1,12 +1,18 @@
 #!/usr/bin/env python
 
-import unittest
+import os, shutil, unittest
 from planet import config
 
+workdir = os.path.join('tests', 'work', 'config', 'cache')
+
 class ConfigCsvTest(unittest.TestCase):
     def setUp(self):
         config.load('tests/data/config/rlist-csv.ini')
 
+    def tearDown(self):
+        shutil.rmtree(workdir)
+        os.removedirs(os.path.split(workdir)[0])
+
     # administrivia
 
     def test_feeds(self):