then:
        e = thrown(MissingResourceException)
        e.message == "Could not read <display-name> '$file' as it does not exist." as String
    }

    def hasNoContentWhenFileIsADirectory() {
        when:
        TestFile dir = testDir.file('somedir').createDir()
        UriTextResource resource = new UriTextResource('<display-name>', dir, resolver)

        then: