javaMergedManifest.entries.put("AnotherSection", anotherSection)
        mergedFile.withOutputStream { javaMergedManifest.write(it) }

        and:
        mergedFile.bytes = removeBlankLines(mergedFile.bytes)

        and:
        DefaultManifest gradleManifest = new DefaultManifest(fileResolver)
        gradleManifest.getAttributes().put('Looong-Name-Of-Manifest-Entry', attributeValue)