*
     * This method is called after the root build operation has completed, so implementations should not perform any expensive work
     * and should not run any user code.
     */
    default void beforeStop() {
    }

        then:
        1 * action.apply(_) >> { BuildTreeContext context -> context.execute(buildAction) }
        1 * listener.afterStart()
        1 * actionExecutor.execute(buildAction, _)
        1 * listener.beforeStop()
        0 * listener._
    }

    def "cannot run multiple actions against a tree"() {
        given:
        state.run {
            it.execute(Stub(BuildAction))
        }

        when: