Dynamic Imports: initial cases, templates, non-generated tests and fixtures

features.txt

src/dynamic-import/catch/nested-arrow.template

...dynamic-import/catch/nested-async-function-await.template

...-import/catch/nested-async-function-return-await.template

src/dynamic-import/catch/nested-async-function.template

src/dynamic-import/catch/nested-block-labeled.template

src/dynamic-import/catch/nested-block.template

src/dynamic-import/catch/nested-do-while.template

src/dynamic-import/catch/nested-do.template

src/dynamic-import/catch/nested-else.template

src/dynamic-import/catch/nested-function.template

src/dynamic-import/catch/nested-if.template

src/dynamic-import/catch/nested-labeled-block.template

src/dynamic-import/catch/nested-while.template

src/dynamic-import/catch/top-level.template

...mport/default/nested-arrow-assignment-expression.template

src/dynamic-import/default/nested-arrow.template

...namic-import/default/nested-async-function-await.template

...mport/default/nested-async-function-return-await.template

src/dynamic-import/default/nested-async-function.template