test: update test

Co-authored-by: Livia Medeiros <livia@cirno.name>

Author: efekrskl

test/parallel/test-fs-promises-statfs-validate-path.js

@@ -7,9 +7,6 @@ const assert = require('assert');
 (async () => {
   await assert.rejects(
     fs.promises.statfs(),
-    (err) => {
-      assert.strictEqual(err.code, 'ERR_INVALID_ARG_TYPE');
-      return true;
-    }
+    { code: 'ERR_INVALID_ARG_TYPE' },
   );
 })().then(common.mustCall());