request.rootDirectory = rootDirectory;
        request.topDirectory = topDirectory;
        System.setProperty("maven.installation.conf", mavenConf.toString());

        // Act
        cli.setFileSystem(fs);
        cli.cli(request);
        cli.properties(request);

        // Assert
        assertThat(request.getUserProperties().getProperty("fro"), CoreMatchers.startsWith("chti"));

    protected ModelProcessor createModelProcessor(PlexusContainer container) throws ComponentLookupException {
        return container.lookup(ModelProcessor.class);
    }

    public void setFileSystem(FileSystem fileSystem) {
        this.fileSystem = fileSystem;
    }