test(NODE-6679): restore node latest testing

.evergreen/config.yml

@@ -166,17 +166,16 @@ tasks:
           NODE_LTS_VERSION: 22
       - func: install dependencies
       - func: run tests
-  # TODO(NODE-6662): Fix tests on latest.
-  # - name: node-tests-latest
-  #   tags: ["node"]
-  #   commands:
-  #     - func: fetch source
-  #       vars:
-  #         NODE_LTS_VERSION: latest
-  #     - func: install dependencies
-  #     - func: run tests
-  #       vars:
-  #         TEST_TARGET: node
+  - name: node-tests-latest
+    tags: ["node"]
+    commands:
+      - func: fetch source
+        vars:
+          NODE_LTS_VERSION: latest
+      - func: install dependencies
+      - func: run tests
+        vars:
+          TEST_TARGET: node
   - name: web-tests
     tags: ["web"]
     commands:

.mocharc.js

@@ -0,0 +1,19 @@
+'use strict';
+
+const nodeOptions = ['experimental-vm-modules'];
+const [major] = process.versions.node.split('.');
+if (Number(major) >= 23) {
+  nodeOptions.push('no-experimental-strip-types');
+}
+
+/** @type {import("mocha").MochaOptions} */
+module.exports = {
+  require: ['source-map-support/register', 'ts-node/register'],
+  extension: ['js', 'ts'],
+  recursive: true,
+  timeout: 10000,
+  failZero: true,
+  sort: true,
+  color: true,
+  'node-option': nodeOptions
+};