blockingHandler.waitForAllPendingCalls()
        daemons.daemon.assertBusy()
        executer.withArguments("--stop").run()
        def failure = build.waitForFailure()

        then:
        stopsSingleDaemon()
        failure.assertHasDescription(DaemonStoppedException.MESSAGE)

        build.waitForFailure()
    }

    def "can handle multiple concurrent stop requests"() {
        buildFile << """
task block {