@Test
public void testGetURI() {

    Map<String, String> pm = new HashMap<>();
    pm.put(prefix1, namespace2);
    pm.put(prefix2, namespace3);
    assertEquals("Unexpected lengthened form", uri1, URIUtils.getURI(pm, shortform1));
    assertEquals("Unexpected lengthened form", uri2, URIUtils.getURI(pm, shortform2));
}