Automation fix for protocol settings menu

Changes :
    - Increased waiting time to 30sec in "Set SSH And IPMI Protocol"
      keyword.

Tested:
    - Ran successfully test_bmc_protocol_settings.robot

Signed-off-by: Megha G N <Megha.G.N@ibm.com>
Change-Id: Ifad302e17b0293201d667543e96181567bb2a7c1
diff --git a/redfish/managers/test_bmc_protocol_settings.robot b/redfish/managers/test_bmc_protocol_settings.robot
index 3d3cd0f..f9e7bd7 100644
--- a/redfish/managers/test_bmc_protocol_settings.robot
+++ b/redfish/managers/test_bmc_protocol_settings.robot
@@ -12,7 +12,8 @@
 
 *** Variables ***
 
-${cmd_prefix}  ipmitool -I lanplus -C 17 -p 623 -U ${IPMI_USERNAME} -P ${IPMI_PASSWORD}
+${cmd_prefix}            ipmitool -I lanplus -C 17 -p 623 -U ${IPMI_USERNAME} -P ${IPMI_PASSWORD}
+${SETTING_WAIT_TIMEOUT}  30s
 
 
 *** Test Cases ***
@@ -276,7 +277,7 @@
     ...  valid_status_codes=[${HTTP_NO_CONTENT}]
 
     # Wait for timeout for new values to take effect.
-    Sleep  ${NETWORK_TIMEOUT}s
+    Sleep  ${SETTING_WAIT_TIMEOUT}
 
     Run Keyword if  ${persistency_check} == ${True}
     ...  Redfish OBMC Reboot (off)  stack_mode=skip