调整，以适应useregion灵活传值，注意，useregion非空为json串：{"method":"rst"}，空为userRegion=

01-TestCase/tsg_adc/selfserver/SelfServerDenyAllTests.robot

@@ -50,7 +50,7 @@ SelfServerSecurityPolicy-Deny-AllProtol-00001
                ...    policyDesc=${Default_PolicyDesc}   
            	   ...    action=deny
            	   ...    effectiveRange=${Default_EffectiveRange}
-           	   ...    userRegion=method:rst
+           	   ...    userRegion={"method":"rst"}
            	   ...    referenceObject=${objectId}|TSG_SECURITY_DESTINATION_ADDR
            	   ...    isValid=${Default_IsValid}
            	   ...    appObjectIdArray=${Default_AppObjectIdArray}