fix(napi): improve napi_adjust_external_memory (#17501)

<!--
Before submitting a PR, please read http://deno.land/manual/contributing

1. Give the PR a descriptive title.

  Examples of good title:
    - fix(std/http): Fix race condition in server
    - docs(console): Update docstrings
    - feat(doc): Handle nested reexports

  Examples of bad title:
    - fix #7123
    - update docs
    - fix bugs

2. Ensure there is a related issue and it is referenced in the PR text.
3. Ensure there are tests that cover the changes.
4. Ensure `cargo test` passes.
5. Ensure `./tools/format.js` passes without changing files.
6. Ensure `./tools/lint.js` passes.
7. Open as a draft PR if your work is still in progress. The CI won't
run
   all steps, but you can add '[ci]' to a commit message to force it to.
8. If you would like to run the benchmarks on the CI, add the 'ci-bench'
label.
-->

1 files changed, 3 insertions, 0 deletions

diff --git a/test_napi/src/lib.rs b/test_napi/src/lib.rs
index 78a8248dc..71258ee7f 100644
--- a/test_napi/src/lib.rs
+++ b/test_napi/src/lib.rs
@@ -13,6 +13,7 @@ pub mod callback;
 pub mod coerce;
 pub mod date;
 pub mod error;
+pub mod mem;
 pub mod numbers;
 pub mod object_wrap;
 pub mod primitives;
@@ -152,6 +153,8 @@ unsafe extern "C" fn napi_register_module_v1(
   r#async::init(env, exports);
   date::init(env, exports);
   tsfn::init(env, exports);
+  mem::init(env, exports);
+
   init_cleanup_hook(env, exports);
 
   exports