public Properties getProperties()
    {
        return properties;
    }
@Test
    public void testUriWithClientTags()
            throws SQLException
    {
        String clientTags = "c1,c2";
        PrestoDriverUri parameters = createDriverUri("presto://localhost:8080?clientTags=" + clientTags);
        Properties properties = parameters.getProperties();
        assertEquals(properties.getProperty(CLIENT_TAGS.getKey()), clientTags);
    }