Use MaaS in system tests

Change-Id: Ibaa90ab8a5f290c2a076976243ec0d2511ce8295
diff --git a/tcp_tests/requirements.txt b/tcp_tests/requirements.txt
index 64769ed..3d1b4d2 100644
--- a/tcp_tests/requirements.txt
+++ b/tcp_tests/requirements.txt
@@ -11,7 +11,7 @@
 docker-compose==1.7.1
 urllib3
 junit-xml
-jinja2>=2.1
+jinja2>=2.9
 jira
 testrail<=0.3.8
 functools32