fixup! add cjs register test

test/es-module/test-esm-loader-hooks.mjs

@@ -614,4 +614,35 @@ describe('Loader hooks', { concurrency: true }, () => {
     assert.strictEqual(code, 0);
     assert.strictEqual(signal, null);
   });
+
+  it('should have `register` work with cjs', async () => {
+    const { code, signal, stdout, stderr } = await spawnPromisified(execPath, [
+      '--no-warnings',
+      '--input-type=commonjs',
+      '--eval',
+      `
+        const {register} = require('node:module');
+        register(
+          ${JSON.stringify(fixtures.fileURL('/es-module-loaders/hooks-initialize.mjs'))},
+        );
+        register(
+          ${JSON.stringify(fixtures.fileURL('/es-module-loaders/loader-load-foo-or-42.mjs'))},
+        );
+
+        import('node:os').then((result) => {
+          console.log(result.default);
+        });
+      `,
+    ]);
+
+    const lines = stdout.split('\n');
+
+    assert.strictEqual(lines[0], 'hooks initialize');
+    assert.strictEqual(lines[1], 'foo');
+
+    assert.strictEqual(stderr, '');
+
+    assert.strictEqual(code, 0);
+    assert.strictEqual(signal, null);
+  });
 });