code: public static TestCaseStartedEvent withExecutorInfo(TestCaseStartedEvent event) {
          event.getLabels().add(createHostLabel(getHostname()));
          event.getLabels().add(createThreadLabel(format("%s.%s(%s)",
                          ManagementFactory.getRuntimeMXBean().getName(),
                          Thread.currentThread().getName(),
                          Thread.currentThread().getId())
          ));
          return event;
      }
docs: Add information about host and thread to specified test case started event
  
  @param event given event to update
  @return updated event