LED power name changed to rear_power

Resolves  openbmc/openbmc-test-automation#706

Change-Id: Id70b3b65c9b6c97532d6b11806cd528f4fd5b568
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/test_led.robot b/tests/test_led.robot
index bbd86c7..efb74a4 100644
--- a/tests/test_led.robot
+++ b/tests/test_led.robot
@@ -46,8 +46,8 @@
 Test Power LED And Verify Via REST
     [Documentation]  Turn On/Off power LED and verify via REST.
     # LED Name  LED State
-    power       On
-    power       Off
+    rear_power       On
+    rear_power       Off
 
     [Tags]  Test_Power_LED_And_Verify_Via_REST
     [Template]  Set System LED State