File registry = new DaemonDir(executer.daemonBaseDir).registry
            deleteFile(registry)
        }

        and:
        waitForDaemonExpiration()

        when:
        killBuild()

        then:
        stopped()
    }

        foregroundDaemons << executer.start()
    }

    void killBuild(int num = 0) {
        run { builds[num].abort().waitForFailure() }
    }

    void failed(GradleHandle handle) {
        assert handle.waitForFailure()
    }