given:
        def action = createWelcomeMessage("""

""")

        when:
        action.execute(listener)

        then:
        !log.toString().contains("Here are the highlights of this release:")
        1 * delegateAction.execute(_)
    }

    def "omits highlights when file does not exist"() {
        given:
        def action = createWelcomeMessage(null)

        when: