Fix- Modify IP Address Multiple times

Changes:
    - Verfiy Modifying the IP Address multiple times.

Tested:
    - Tested in the BMC environment.

Signed-off-by: Sweta Potthuri <spotthur@in.ibm.com>
Change-Id: I870433f091a1725948494e45429e64cc4179916d
diff --git a/redfish/managers/test_bmc_network_conf.robot b/redfish/managers/test_bmc_network_conf.robot
index 73a2891..fbc4cc3 100644
--- a/redfish/managers/test_bmc_network_conf.robot
+++ b/redfish/managers/test_bmc_network_conf.robot
@@ -501,7 +501,7 @@
 
     Add IP Address  ${test_ipv4_addr}  ${test_subnet_mask}  ${test_gateway}
     Update IP Address  ${test_ipv4_addr}  ${test_ipv4_addr2}  ${test_subnet_mask}  ${test_gateway}
-    Update IP Address  ${test_ipv4_addr}  ${test_ipv4_addr2}  ${test_subnet_mask}  ${test_gateway}
+    Update IP Address  ${test_ipv4_addr2}  ${test_ipv4_addr}  ${test_subnet_mask}  ${test_gateway}
 
 Configure Invalid Values For DNS Server
     [Documentation]  Configure invalid values for DNS server and expect an error.