File credentials.test.ts

src/lib/credentials.test.ts:None–None

import { mkdtempSync, statSync, readFileSync, writeFileSync, existsSync, mkdirSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { afterEach, beforeEach, describe, expect, it } from 'vitest';