test: fix es-module/test-esm-initialization

PR-URL: nodejs#48880
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

test/es-module/test-esm-initialization.mjs

@@ -8,22 +8,23 @@ import { describe, it } from 'node:test';
 describe('ESM: ensure initialization happens only once', { concurrency: true }, () => {
   it(async () => {
     const { code, stderr, stdout } = await spawnPromisified(execPath, [
+      '--experimental-import-meta-resolve',
       '--loader',
       fixtures.fileURL('es-module-loaders', 'loader-resolve-passthru.mjs'),
       '--no-warnings',
       fixtures.path('es-modules', 'runmain.mjs'),
     ]);
 
-    // Length minus 1 because the first match is the needle.
-    const resolveHookRunCount = (stdout.match(/resolve passthru/g)?.length ?? 0) - 1;
-
     assert.strictEqual(stderr, '');
     /**
      * resolveHookRunCount = 2:
      * 1. fixtures/…/runmain.mjs
      * 2. node:module (imported by fixtures/…/runmain.mjs)
+     * 3. doesnt-matter.mjs (first import.meta.resolve call)
+     * 4. fixtures/…/runmain.mjs (entry point)
+     * 5. doesnt-matter.mjs (second import.meta.resolve call)
      */
-    assert.strictEqual(resolveHookRunCount, 2);
+    assert.strictEqual(stdout.match(/resolve passthru/g)?.length, 5);
     assert.strictEqual(code, 0);
   });
 });