Add a test case to Disable LLDP

Changes:
   - Add test case to Disable LLDP

Tested:
   - Ran and tested on BMC Environment

Change-Id: I7d99bb972fd37e73e003ef987c863528e6e5f5f8
Signed-off-by: Vishal Kulkarni <kvishal@in.ibm.com>
diff --git a/redfish/managers/test_lldp_config.robot b/redfish/managers/test_lldp_config.robot
index adfb42f..b554dae 100644
--- a/redfish/managers/test_lldp_config.robot
+++ b/redfish/managers/test_lldp_config.robot
@@ -24,6 +24,16 @@
     # Verify the LLDP state is set true
     Verify LLDP Configuration State  ${True}
 
+Disable LLDP And Verify
+    [Documentation]  Disable LLDP and verify.
+    [Tags]  Disable_LLDP_And_Verify
+
+    # Set the LLDP enabled property as False.
+    Set LLDP Configuration State  ${False}
+
+    # Verify the LLDP state is set False
+    Verify LLDP Configuration State  ${False}
+
 *** Keywords ***
 
 Suite Setup Execution