listener.onOutput(event)

        then:
        1 * event.withLogLevel(LogLevel.LIFECYCLE) >> transformed
        1 * target.onOutput(transformed)
        0 * target._
    }

    def doesNotChangeLogLevelWhenEventAlreadyHasALogLevel() {
        StyledTextOutputEvent event = Mock()

        when:
        listener.onOutput(event)

        then:
        1 * event.logLevel >> LogLevel.INFO
        1 * target.onOutput(event)