}
                    if (settings != null) {
                        settingsBuilder.putProperties(settings, s -> s);
                    }
                });
                runner.build(config);

                final int port = runner.node().settings().getAsInt("http.port", 9200);
                try {

    public void testStorePropertiesOutputStreamString() throws IOException {
        final Properties outProperties = new Properties();
        outProperties.setProperty("a", "A");
        final File file = tempFolder.newFile("hoge.properties");
        final FileOutputStream outputStream = OutputStreamUtil.create(file);
        PropertiesUtil.store(outProperties, outputStream, "comments");
        CloseableUtil.close(outputStream);