Add tests for export * as ns from mod to dyn imports

src/dynamic-import/ns-get-nested-namespace-dflt-direct.case

...dynamic-import/ns-get-nested-namespace-dflt-indirect.case

src/dynamic-import/ns-get-nested-namespace-props-nrml.case

...rt/ns/get-nested-namespace-dflt-skip-named-end_FIXTURE.js

...import/ns/get-nested-namespace-dflt-skip-named_FIXTURE.js

...ort/ns/get-nested-namespace-dflt-skip-prod-end_FIXTURE.js

...-import/ns/get-nested-namespace-dflt-skip-prod_FIXTURE.js

...ic-import/ns/get-nested-namespace-props-nrml-1_FIXTURE.js

...ic-import/ns/get-nested-namespace-props-nrml-2_FIXTURE.js

...ic-import/ns/get-nested-namespace-props-nrml-3_FIXTURE.js