Added new SNMP testcase to settings menu

Changes :

    Added test to check SNMP manager with less octet ip

Tested :

    Ran Successfully gui/gui_test/settings_menu/test_snmp_alerts_sub_menu.robot
    Ran Successfully lib/snmp/resource.robot

Change-Id: I72b57bffd345e74b701e2ed8410197137893c47b
Signed-off-by: Megha G N <Megha.G.N@ibm.com>
diff --git a/gui/gui_test/settings_menu/test_snmp_alerts_sub_menu.robot b/gui/gui_test/settings_menu/test_snmp_alerts_sub_menu.robot
index 116c84f..2bbfd10 100644
--- a/gui/gui_test/settings_menu/test_snmp_alerts_sub_menu.robot
+++ b/gui/gui_test/settings_menu/test_snmp_alerts_sub_menu.robot
@@ -76,9 +76,8 @@
 
     Wait Until Page Contains  ${SNMP_MGR1_IP}  timeout=45s
 
-    Redfish.Login
     Verify SNMP Manager Configured On BMC  ${SNMP_MGR1_IP}  ${NON_DEFAULT_PORT1}
-    Redfish.Logout
+
 
 Configure SNMP Settings On BMC Via GUI And Verify
     [Documentation]  Configure SNMP settings on BMC via GUI and verify.
@@ -120,6 +119,7 @@
     ${alpha_ip}         ${NON_DEFAULT_PORT1}     ${invalid_destination_error}
     ${negative_ip}      ${NON_DEFAULT_PORT1}     ${invalid_destination_error}
     ${empty_ip}         ${NON_DEFAULT_PORT1}     ${invalid_destination_error}
+    ${less_octet_ip}    ${NON_DEFAULT_PORT1}     ${invalid_destination_error}
 
 
 Configure Multiple SNMP Managers On BMC Via GUI And Verify