PropertiesUtil.store(outProperties, outputStream, "comments");
        CloseableUtil.close(outputStream);
        final Properties properties = new Properties();
        PropertiesUtil.load(properties, file);
        assertThat(properties.getProperty("a"), is("A"));
    }

    /**
     * Test method for
     * {@link org.codelibs.core.io.PropertiesUtil#store(Properties, java.io.Writer, String)}
     * .