Get Status of system identifyLED On/Off.

Changes:
    -  Using  /redfish/v1/Systems/system  IndicatorLED  to get system identifyLED On/Off status and verifing.
       Set IndicatorLED State and Verify Identify LED State Via Redfish.

Tested: -
      - Successfully ran this from gui/gui_test/overview_menu/test_overview_menu.robot

Change-Id: Ia73894efbfda00ae9f2f65a8489f6d961a245069
Signed-off-by: rramyasr-in <rramyasr@in.ibm.com>
diff --git a/gui/gui_test/overview_menu/test_overview_menu.robot b/gui/gui_test/overview_menu/test_overview_menu.robot
index 2492ee2..0fa9511 100644
--- a/gui/gui_test/overview_menu/test_overview_menu.robot
+++ b/gui/gui_test/overview_menu/test_overview_menu.robot
@@ -124,11 +124,10 @@
 
     # Turn Off the server LED via Redfish and refresh GUI.
     Set IndicatorLED State  Off
-
     Refresh GUI
 
     # Turn ON the LED via GUI.
-    Click Element At Coordinates  ${xpath_led_button}  0  0
+    Click Element  ${xpath_led_button}
 
     # Cross check that server LED ON state via Redfish.
     Verify Identify LED State Via Redfish  Lit
@@ -247,12 +246,8 @@
     # Description of argument(s):
     # expected_state    Expected value of Identify LED.
 
-    # Python module:  get_member_list(resource_path)
-    ${systems}=  Redfish_Utils.Get Member List  /redfish/v1/Systems
-    FOR  ${system}  IN  @{systems}
-        ${led_value}=  Redfish.Get Attribute  ${system}  IndicatorLED
-        Should Be True  '${led_value}' == '${expected_state}'
-    END
+    ${led_state}=  Redfish.Get Attribute  /redfish/v1/Systems/system  IndicatorLED
+    Should Be True  '${led_state}' == '${expected_state}'
 
 
 Set IndicatorLED State
@@ -262,8 +257,7 @@
     # led_state            IndicatorLED state to "off", "Lit" etc.
     # expect_resp_code     Expected HTTPS response code. Default [200, 204]
 
-    # Python module:  get_member_list(resource_path)
-    ${systems}=  Redfish_Utils.Get Member List  /redfish/v1/Systems
-    FOR  ${system}  IN  @{systems}
-        Redfish.Patch  ${system}  body={"IndicatorLED":${led_state}}   valid_status_codes=${expect_resp_code}
-    END
+
+    Redfish.Patch  /redfish/v1/Systems/system  body={"IndicatorLED": "${led_state}"}
+    ...  valid_status_codes=${expect_resp_code}
+