Wrong HTTP Response Status Code in Get all Network Service Descriptors Information with malformed authorization token test case

Get all Network Service Descriptors Information with malformed authorization token
    [Documentation]    Test ID: 5.3.1.1.4
    ...    Test title: Get all Network Service Descriptors Information with malformed authorization token
    ...    Test objective: The objective is to test that the retrieval of Network Service Descriptors Information fails when using malformed authorization token
    ...    Pre-conditions: One or more Network Service Descriptors are onboarded in the NFVO.
    ...    Reference: section 4.5.3.3, 5.4.2.3.2 - SOL005 v2.4.1
    ...    Config ID: Config_prod_NFVO
    ...    Applicability: The NFVO requires the usage of access tokens for authorizing the API requests.
    ...    Post-Conditions: none
    Get all Network Service Descriptors Information with malformed authorization token
    Check HTTP Response Status Code Is    400

The HTTP Response Status Code should be 401, the provided token is not authorized but it seems valid.