outputContains("Shared read-only dependency cache is an incubating feature.")
    }

    void withReadOnlyCache() {
        executer.withReadOnlyCacheDir(roCacheDir)
        makeCacheReadOnly()
    }

    TestFile fileInReadReadOnlyCache(String path) {
        return roCacheDir.file(path)
    }

    private void copyToReadOnlyCache() {