CoroLockOSThread(callerLockAfterPull, iterSimple)
	})
	register("CoroLockOSThreadStopLocked", func() {
		println("expect: OK")
		CoroLockOSThread(callerStopLocked, iterSimple)
	})
	register("CoroLockOSThreadStopLockedIterNested", func() {
		println("expect: OK")
		CoroLockOSThread(callerStopLocked, iterNested)
	})
}

func CoroLockOSThread(driver func(iter.Seq[int]) error, seq iter.Seq[int]) {
	if err := driver(seq); err != nil {