Corrected check for power LED at system off.

Physical power LED should blink at system off.

Resolves openbmc/openbmc-test-automation#1065

Change-Id: Ia14024f3897e5d7701ba410239bf8d212b85b03c
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/tests/test_ledgroup.robot b/tests/test_ledgroup.robot
index bc155ca..3c23518 100644
--- a/tests/test_ledgroup.robot
+++ b/tests/test_ledgroup.robot
@@ -99,7 +99,7 @@
 
     Set LED State  Off  power_on
     ${resp}=  Get System LED State  rear_power
-    Should Be Equal  ${resp}  Off
+    Should Be Equal  ${resp}  Blink
 
 
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