adding more system tests.
Change test.step to internal TestRest

Change-Id: I6246d86d51a365c34afdf3465ee94460777912b8
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/test-requirements.txt b/test-requirements.txt
index 4a6c14d..e52d6ac 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -13,4 +13,7 @@
 
 flake8<3.0
 mock
+requests
+parallel-ssh
+urllib3