@Override
  protected void runChild(FrameworkMethod child, RunNotifier notifier) {
    notifier.fireTestStarted(describeChild(child));
    try {
      List<Throwable> failures = runner.runTestMethod(child.getMethod());
      failures.stream()
          .forEach(failure -> notifier.fireTestFailure(new Failure(describeChild(child), failure)));
    } finally {
      notifier.fireTestFinished(describeChild(child));
    }
  }
Delegate to actually run the test.
geode-concurrency-test/src/main/java/org/apache/geode/test/concurrency/ConcurrentTestRunner.java