Test requirement is not applicable for PNF based on SOL004

Proposed chagne

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.. req::
:id: R-43958
:target: VNF
:keyword: MUST

The VNF Package *MUST* include documentation describing
the tests that were conducted by the VNF provider and the test results.

.. req::
:id: R-04298
:target: VNF
:keyword: MUST

The VNF provider *MUST* provide their testing scripts to
support testing.

.. req::
:id: R-58775
:target: VNF
:keyword: MUST

The VNF provider *MUST* provide software components that
can be packaged with/near the VNF, if needed, to simulate any functions
or systems that connect to the VNF system under test. This component is
necessary only if the existing testing environment does not have the
necessary simulators

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