squash: fix imports in tests

Author: LiviaMedeiros

test/es-module/test-esm-extension-lookup-deprecation.mjs

@@ -1,5 +1,5 @@
 import { spawnPromisified } from '../common/index.mjs';
-import * as tmpdir from '../common/tmpdir.js';
+import tmpdir from '../common/tmpdir.js';
 
 import assert from 'node:assert';
 import { mkdir, writeFile } from 'node:fs/promises';

test/parallel/test-runner-inspect.mjs

@@ -1,6 +1,6 @@
 import * as common from '../common/index.mjs';
-import * as tmpdir from '../common/tmpdir.js';
 import * as fixtures from '../common/fixtures.mjs';
+import tmpdir from '../common/tmpdir.js';
 import assert from 'node:assert';
 import path from 'node:path';
 import fs from 'node:fs/promises';