added interconnected test case for vnf instance scale in test id 11.3.10

*** Settings ***

Suite Setup       Initialize System

Suite Teardown    Terminate All Processes    kill=true

Resource          environment/variables.txt    # Generic Parameters

Resource          IC_TC_keywords.robot

Library           JSONLibrary

*** Test Cases ***

Scale In a VNF instance

    [Documentation]    Test ID: 11.3.4

    ...    Test title: Scale In a VNF instance

    ...    Test objective: The objective is to test the interconnected case of VNF instance resource creation, instantiation and scale in

    ...    Pre-conditions: none

    ...    Reference: ETSI GS NFV-SOL 003 [1] v4.5.1

    ...    Config ID: Config_prod_NFVO, Config_prod_VNFM

    ...    Applicability: none

    ...    Post-Conditions: none

    GET Individual VNF Package

    POST Create a new vnfInstance

    VNF Instantiation

    VNF Instance Scale In