Added fix to overcome login failure for VPD test cases

Change-Id: I9072c816a2334dbbd47878605875fce769ed0617
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/openpower/vpd/test_redfish_vpd.robot b/openpower/vpd/test_redfish_vpd.robot
index 44fb91a..1f11b18 100644
--- a/openpower/vpd/test_redfish_vpd.robot
+++ b/openpower/vpd/test_redfish_vpd.robot
@@ -4,7 +4,9 @@
 Resource        ../../lib/openbmc_ffdc.robot
 Library         ../../lib/vpd_utils.py
 
-#Test Teardown   FFDC On Test Case Fail
+Suite Setup     Redfish.Login
+Suite Teardown  Redfish.Logout
+Test Teardown   FFDC On Test Case Fail
 
 
 *** Test Cases ***