@Test
public void testToString()
{

    URI original = URI.create("http://www.example.com:8081/a%20/%C3%A5?k=1&k=2&%C3%A5=3");
    assertEquals(relativeUriBuilderFrom(original).toString(), "a%20/%C3%A5?k=1&k=2&%C3%A5=3");
    assertEquals(relativeUriBuilder().toString(), "");
}