when:
        output.text('line').println()

        then:
        1 * listener.onOutput({ it.spans[0].text == toNative('another line\n') })
        0 * listener._
    }

    def forwardsEachLineOfTextToListener() {
        when:
        output.text(toNative('message1\nmessage2')).println()

        then:
        1 * listener.onOutput({ it.spans[0].text == toNative('message1\n') })