Enable basic framework to test certificate upload

Also added test cases to test certificate install with
different format.

Resolves openbmc/openbmc-test-automation#1460

Change-Id: I0047242c2783e589c3095e829f43313e8ad82d81
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/data/variables.py b/data/variables.py
old mode 100644
new mode 100755
index 105f9fb..d4d84ac
--- a/data/variables.py
+++ b/data/variables.py
@@ -144,6 +144,11 @@
 # rsyslog variables.
 REMOTE_LOGGING_URI = OPENBMC_BASE_URI + 'logging/config/remote/'
 
+# Certificate variables.
+SERVER_CERTIFICATE_URI = OPENBMC_BASE_URI + 'certs/server/https'
+CLIENT_CERTIFICATE_URI = OPENBMC_BASE_URI + 'certs/client/ldap'
+
+
 '''
   QEMU HTTPS variable: