test: fix randStr

Author: sylingd

tests/e2e/task.spec.mjs

@@ -2,7 +2,7 @@ import assert from 'node:assert';
 import { setTimeout as sleep } from 'node:timers/promises';
 import { getTask, saveTask } from './scripts/api.mjs';
 import { runTest } from './scripts/browser.mjs';
-import { testServer } from './scripts/utils.mjs';
+import { randStr, testServer } from './scripts/utils.mjs';
 
 describe('Run task', () =>
   runTest(