Fix for host not powering off due to incorrect check.

"Get Host State Via External IPMI" keyword returns on/off.
Logic is failing as we are comparing with "On".

Change-Id: If8043ebc58cc386944a41109180f75f0d95d78dd
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/tests/ipmi/test_sol.robot b/tests/ipmi/test_sol.robot
index 970d5e4..ffd2fd0 100644
--- a/tests/ipmi/test_sol.robot
+++ b/tests/ipmi/test_sol.robot
@@ -15,7 +15,7 @@
     [Tags]  Verify_SOL_During_Boot
 
     ${current_state}=  Get Host State Via External IPMI
-    Run Keyword If  '${current_state}' == 'On'
+    Run Keyword If  '${current_state}' == 'on'
     ...  Initiate Host PowerOff Via External IPMI
     Initiate Host Boot Via External IPMI  wait=${0}