correction to SOL3 and SOL5

SOL005/NSLifecycleManagement-API/TerminateNSTask.robot

@@ -25,7 +25,7 @@ POST Terminate a NSInstance Conflict
     [Documentation]    Test ID: 5.3.2.7.2
     ...    Test title: POST Terminate a NSInstance Conflict
     ...    Test objective: The objective is to test that POST method can't terminate the NS because of conflict in resource status (i.e. the resource is not in INSTANTIATED state) 
-    ...    Pre-conditions: the resource is not in INSTANTIATED state 
+    ...    Pre-conditions: NS instance is in NOT_INSTANTIATED state
     ...    Reference:  section 6.4.8.3.1 - SOL005 v2.4.1
     ...    Config ID: Config_prod_NFVO
     ...    Applicability: none
@@ -33,6 +33,7 @@ POST Terminate a NSInstance Conflict
     POST Terminate NSInstance
     Check HTTP Response Status Code Is    409
     Check HTTP Response Body Json Schema Is    ProblemDetails
+    Check resource not_instantiated
     
 GET Terminate NSInstance- Method not implemented
      [Documentation]    Test ID: 5.3.2.7.3