Fix redfishtool local user test teardown

Changes:
   - Added ${HTTP_NOT_FOUND} for non existent teardown response check

Fixed:  openbmc/openbmc-test-automation#2103

Change-Id: I963f4c1977c1f645aca40c1b0f6f7f309f603a89
Signed-off-by: manashsarma <manashsarma@in.ibm.com>
diff --git a/redfish/dmtf_tools/test_redfishtool_local_user.robot b/redfish/dmtf_tools/test_redfishtool_local_user.robot
index 8a38dc4..0bed531 100644
--- a/redfish/dmtf_tools/test_redfishtool_local_user.robot
+++ b/redfish/dmtf_tools/test_redfishtool_local_user.robot
@@ -113,7 +113,7 @@
 Verify Error While Creating User With Invalid Role
     [Documentation]  Verify error while creating a user with invalid role using Redfishtool.
     [Tags]  Verify_Error_While_Creating_User_With_Invalid_Role
-    [Teardown]  Redfishtool Delete User  "UserT100"
+    [Teardown]  Redfishtool Delete User  "UserT100"  ${HTTP_NOT_FOUND}
 
     Redfishtool Create User  "UserT100"  "TestPwd123"  "wrongroleid"  true  expected_error=${HTTP_BAD_REQUEST}