Jest で「Exceeded timeout of 5000 ms for a test」が出てテストが完了できない

$ npx jest
FAIL ./slow.test.js (5.145 s)
  ✕ 重い統合テスト (5001 ms)
 
  ● 重い統合テスト
 
    thrown: "Exceeded timeout of 5000 ms for a test.
    Add a timeout value to this test to increase the timeout, if this is a long-running test. See https://jestjs.io/docs/api#testname-fn-timeout."
 
      1 | const { runHeavyJob } = require('./slow');
      2 |
    > 3 | it('重い統合テスト', async () => {
        | ^
      4 |   const result = await runHeavyJob();
      5 |   expect(result.ok).toBe(true);
      6 | });
 
      at Object.it (slow.test.js:3:1)
 
Test Suites: 1 failed, 1 total
Tests:       1 failed, 1 total
Snapshots:   0 total
Time:        5.159 s
Ran all test suites.
Jest did not exit one second after the test run has completed.
 
'This usually means that there are asynchronous operations that weren't stopped in your tests. Consider running Jest with `--detectOpenHandles` to troubleshoot this issue.
$ echo $?
1

$ npx jest
PASS ./slow.test.js (8.133 s)
  ✓ 重い統合テスト (8001 ms)
 
Test Suites: 1 passed, 1 total
Tests:       1 passed, 1 total
Snapshots:   0 total
Time:        8.147 s
Ran all test suites.
$ echo $?
0

it("重い統合テスト", async () => {
  const result = await runHeavyJob();
  expect(result.ok).toBe(true);
}, 10000);

// jest.config.js
module.exports = {
  testTimeout: 10000,
};

jest.useFakeTimers();
// ...
jest.advanceTimersByTime(3000);