[Findit] Re-org code.

appengine/findit/waterfall/test/swarming_util_test.py

Index: appengine/findit/waterfall/test/swarming_util_test.py
diff --git a/appengine/findit/waterfall/test/swarming_util_test.py b/appengine/findit/waterfall/test/swarming_util_test.py
index 9ac70162be055625c6fae6c7efc83247ef89c711..0862020d33c4617d7e0389c53b49f50603806ca6 100644
--- a/appengine/findit/waterfall/test/swarming_util_test.py
+++ b/appengine/findit/waterfall/test/swarming_util_test.py
@@ -8,7 +8,7 @@ import os
 import urllib
 import zlib
 
-from common.retry_http_client import RetryHttpClient
+from libs.http.retry_http_client import RetryHttpClient
 from model.wf_config import FinditConfig
 from model.wf_step import WfStep
 from waterfall import swarming_util
@@ -582,4 +582,4 @@ class SwarmingUtilTest(wf_testcase.WaterfallTestCase):
 
   def testFetchOutputJsonInfoFromIsolatedServerReturnNone(self):
     self.assertIsNone(swarming_util._FetchOutputJsonInfoFromIsolatedServer(
-        None, self.http_client))
+        None, self.http_client))