async def METHOD_NAME():
    dir_ = (
        dagger.directory()
        .with_new_file("hello.txt", "Hello, world!")
        .with_new_file("goodbye.txt", "Goodbye, world!")
    )
    container = (
        dagger.container().from_("alpine:3.16.2").with_mounted_directory("/mnt", dir_)
    )
    out = await container.with_exec(["ls", "/mnt"]).stdout()
    assert out == dedent(
        """\
        goodbye.txt
        hello.txt
        """,
    )