1) Failure: test_supervisor_event_handler(SupervisorTest): <false> is not true.
D:/a/fluentd/fluentd/test/test_supervisor.rb:388:in `test_supervisor_event_handler'
     385: 
     386:     debug_msg = '[debug]: Got Win32 event "TestFluentdEvent_USR1"'
     387:     logs = $log.out.logs
  => 388:     assert{ logs.any?{|log| log.include?(debug_msg) } }
     389:   ensure
     390:     $log.out.reset if $log&.out&.respond_to?(:reset)
     391:   end

2) Failure: test_windows_shutdown_event(SupervisorTest): <false> is not true.
D:/a/fluentd/fluentd/test/test_supervisor.rb:362:in `test_windows_shutdown_event'
     359: 
     360:     debug_msg = '[debug]: Got Win32 event "TestFluentdEvent"'
     361:     logs = $log.out.logs
  => 362:     assert{ logs.any?{|log| log.include?(debug_msg) } }
     363:   ensure
     364:     $log.out.reset if $log&.out&.respond_to?(:reset)
     365:   end