Added enable then disable autoconfig on eth0 eth1 and verify

Changes:
    - Added the test case:
    Enable Then Disable AutoConfig On Eth0 Eth1 And Verify

    Tested:
        Ran and Tested on BMC Environment.
Change-Id: Iaf61ba62f957ba995e24418634e42c7b87c56fac
Signed-off-by: Abhijith Naik <Abhijith.Naik@ibm.com>
diff --git a/redfish/managers/test_bmc_ipv6.robot b/redfish/managers/test_bmc_ipv6.robot
index 7c9fb36..a6c0613 100644
--- a/redfish/managers/test_bmc_ipv6.robot
+++ b/redfish/managers/test_bmc_ipv6.robot
@@ -493,6 +493,17 @@
     ...    ${eth1_initial_ipv4_addressorigin_list}  ${eth1_initial_ipv4_addr_list}
 
 
+Disable And Verify AutoConfig On Both Interfaces When AutoConfig Enabled
+    [Documentation]  Enable and then disable both eth0 & eth1 with auto-config and
+    ...    check both interfaces gets disabled with SLAAC.
+    [Tags]  Disable_And_Verify_AutoConfig_On_Both_Interfaces_When_AutoConfig_Enabled
+    [Setup]  Set And Verify SLAAC Property On Both Interfaces  ${True}  ${True}
+    [Template]  Set And Verify SLAAC Property On Both Interfaces
+
+    # slaac_eth0       slaac_eth1.
+    ${False}           ${False}
+
+
 *** Keywords ***
 
 Suite Setup Execution