Not working with Mocha 8.2.1 --parallel mode

[geoffcorey]

Versions:
Node: 14.16.0
"mocha": "^8.2.1"
"mocha-jenkins-reporter": "^0.4.5"
"nyc": "^14.1.1"

File: mocha-config.json

{
"reporter": "mocha-jenkins-reporter",
"require": ["should", "./tests/setup.js"],
"exit": true
}

Command:

nyc --exclude=tests//*.js mocha --config=mocha-config.json --parallel --timeout 480000 tests//*.js

Results:

Every test suite fails with individual test error of

  21) Uncaught error outside test suite:
     Uncaught TypeError: Cannot read property 'length' of undefined
      at startSuite (node_modules/mocha-jenkins-reporter/lib/jenkins.js:171:21)
      at ParallelBufferedRunner.<anonymous> (node_modules/mocha-jenkins-reporter/lib/jenkins.js:331:5)
      at ParallelBufferedRunner.EventEmitter.emit (domain.js:467:12)
      at processTicksAndRejections (internal/process/task_queues.js:93:5)