Updated redfish reboot keyword to Reboot Server

Change-Id: If66521001b34613b97f4611268cd76581f267ed3
Signed-off-by: rramyasr in <rramyasr@in.ibm.com>
diff --git a/gui/gui_test/security_and_access_menu/test_user_management_sub_menu.robot b/gui/gui_test/security_and_access_menu/test_user_management_sub_menu.robot
index e3543d0..24a2880 100644
--- a/gui/gui_test/security_and_access_menu/test_user_management_sub_menu.robot
+++ b/gui/gui_test/security_and_access_menu/test_user_management_sub_menu.robot
@@ -134,8 +134,9 @@
     # Create an User account.
     Create User And Verify  my_admin_user  Administrator  ${True}
 
-    # Reboot BMC.
-    Redfish OBMC Reboot (off)  stack_mode=normal
+    # Reboot BMC and Navigate to usermanagement page.
+    Reboot Server
+    Navigate To Required Sub Menu  ${xpath_secuity_and_accesss_menu}  ${xpath_user_management_sub_menu}  user-management
 
     Click Element  ${xpath_refresh_button}
     Wait Until Page Contains  my_admin_user  timeout=15