Flaky test for Mocha extra reporters

[delatrie]

From https://github.com/allure-framework/allure-js/actions/runs/12118482707/job/33783055229#step:7:3207:

[allure-mocha]: ⎯⎯⎯⎯⎯⎯⎯ Failed Tests 1 ⎯⎯⎯⎯⎯⎯⎯
[allure-mocha]: 
[allure-mocha]:  FAIL  test/spec/framework/extraReporters.test.ts > extra reporters > two entries > first entry has options
[allure-mocha]: AssertionError: expected [ Array(1) ] to deeply equal ArrayContaining{…}
[allure-mocha]: 
[allure-mocha]: - Expected
[allure-mocha]: + Received
[allure-mocha]: 
[allure-mocha]: - ArrayContaining [
[allure-mocha]: -   StringMatching /^<testsuite/,
[allure-mocha]: -   StringMatching /^<testcase/,
[allure-mocha]: -   StringMatching /testsuite>\s*$/,
[allure-mocha]: + Array [
[allure-mocha]: +   "<testsuite name=\"Mocha Tests\" tests=\"1\" failures=\"0\" errors=\"0\" skipped=\"0\" timestamp=\"Mon, 02 Dec 2024 11:53:19 GMT\" time=\"0.438\">
[allure-mocha]: + <testcase classname=\"foo\" name=\"a test in a suite\" file=\"/home/runner/work/allure-js/allure-js/packages/allure-mocha/test/fixtures/10f79159-a8a0-448f-b838-a288000532bf/plain-mocha/testInSuite.spec.mjs\" time=\"0\"/>
[allure-mocha]: + </testsuite>
[allure-mocha]: + ",
[allure-mocha]:   ]
[allure-mocha]: 
[allure-mocha]:  ❯ test/spec/framework/extraReporters.test.ts:110:22
[allure-mocha]:     108| 
[allure-mocha]:     109|       expect(tests).toEqual([expect.objectContaining({ name: "a test i…
[allure-mocha]:     110|       expect(stdout).toEqual(
[allure-mocha]:        |                      ^
[allure-mocha]:     111|         expect.arrayContaining([
[allure-mocha]:     112|           expect.stringMatching(/^<testsuite/),
[allure-mocha]: 
[allure-mocha]: ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯[1/1]⎯
[allure-mocha]: 
[allure-mocha]:  Test Files  1 failed | 34 passed (35)
[allure-mocha]:       Tests  1 failed | 175 passed (176)
[allure-mocha]: Type Errors  no errors
[allure-mocha]:    Start at  11:53:13
[allure-mocha]:    Duration  63.82s (transform 382ms, setup 1.95s, collect 342ms, tests 46.78s, environment 7ms, prepare 4.07s)
[allure-mocha]: 
[allure-mocha]: ERROR: "test:runner-parallel" exited with 1.

The test depends on a specific output, which is not guaranteed in all cases.