Move namespace test files

...s/dynamic-import/namespace/await-ns-Symbol-toStringTag.js

.../dynamic-import/namespace/await-ns-define-own-property.js

...port/namespace/await-ns-delete-exported-init-no-strict.js

...-import/namespace/await-ns-delete-exported-init-strict.js

...mport/namespace/await-ns-delete-non-exported-no-strict.js

...c-import/namespace/await-ns-delete-non-exported-strict.js

...pressions/dynamic-import/namespace/await-ns-extensible.js

...rt/namespace/await-ns-get-nested-namespace-dflt-direct.js

.../namespace/await-ns-get-nested-namespace-dflt-indirect.js

...ort/namespace/await-ns-get-nested-namespace-props-nrml.js

...ort/namespace/await-ns-get-own-property-str-found-init.js

...port/namespace/await-ns-get-own-property-str-not-found.js

...dynamic-import/namespace/await-ns-get-own-property-sym.js

...ssions/dynamic-import/namespace/await-ns-get-str-found.js

...ns/dynamic-import/namespace/await-ns-get-str-not-found.js

...ssions/dynamic-import/namespace/await-ns-get-sym-found.js

...ns/dynamic-import/namespace/await-ns-get-sym-not-found.js

...-import/namespace/await-ns-has-property-str-found-init.js

...c-import/namespace/await-ns-has-property-str-not-found.js

...namic-import/namespace/await-ns-has-property-sym-found.js