Add tests for the resolved namespace obj

src/dynamic-import/imported-Symbol-toStringTag.case

src/dynamic-import/imported-extensible.case

src/dynamic-import/imported-no-iterator.case

src/dynamic-import/imported-prop-descs.case

src/dynamic-import/imported-prototype.case

src/dynamic-import/module-namespace-object/await.template

src/dynamic-import/module-namespace-object/promise.template

...mic-import/module-namespace-object/module-code_FIXTURE.js