Test rear identify system LEDs of Witherspoon system.

This change includes:
   - Added test cases to turn on/off rear identify LED.
   - Skipped rear identify LED in NA systems.

Resolves openbmc/openbmc-test-automation#755

Change-Id: I1a7376d7815fa0a9ef38e42ec32098a588ecd28f
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/tests/test_led.robot b/tests/test_led.robot
index efb74a4..563c226 100644
--- a/tests/test_led.robot
+++ b/tests/test_led.robot
@@ -61,6 +61,16 @@
     [Tags]  Test_Fault_LED_And_Verify_Via_REST
     [Template]  Set System LED State
 
+Test Rear Identify LED And Verify Via REST
+    [Documentation]  Turn On/Off rear identify LED and verify via REST.
+    #LED Name  LED State
+    rear_id    On
+    rear_id    Off
+
+    [Tags]  Test_Rear_Identify_LED_And_Verify_Via_REST
+    [Template]  Set System LED State
+
+
 *** Keywords ***
 
 Set System LED State