given:
        def registry = createInstallationRegistry([])
        def installed = false
        def provisionService = new JavaToolchainProvisioningService() {
            @Override
            boolean isAutoDownloadEnabled() {
                return true
            }

            @Override
            boolean hasConfiguredToolchainRepositories() {
                return true
            }

    }

    @Override
    public boolean isAutoDownloadEnabled() {
        return downloadEnabled.getOrElse(true);
    }

    @Override
    public boolean hasConfiguredToolchainRepositories() {
        return !toolchainResolverRegistry.requestedRepositories().isEmpty();
    }

    @Override
    public File tryInstall(JavaToolchainSpec spec) {
        if (!isAutoDownloadEnabled()) {