Add Gerrit DT test

Change-Id: I3ef74f8b3e609fdc0d0f9e97df7e15b6c56a1b91
Related-PROD: PROD-23243
diff --git a/requirements.txt b/requirements.txt
index 6d5d004..38b0da6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,7 @@
 pytest==3.0.6
-requests
+requests==2.10.0
 flake8
 PyYAML
 python-jenkins==0.4.11
+pygerrit2==2.0.6
+gitpython