concurrency of 1. ' +
  'Use the inspectPort option to run with concurrency');
  options.concurrency = 1;
  options.inspectPort = process.debugPort;
}

options.globPatterns = ArrayPrototypeSlice(process.argv, 1);

debug('test runner configuration:', options);
run(options).on('test:summary', (data) => {
  if (!data.success) {
    process.exitCode = kGenericUserError;
  }
});