@Test public void testReprentationMappings() throws Exception {
  EntityhubLDPath ldPath=new EntityhubLDPath(backend);
  Program program=ldPath.parseProgram(getReader(DATA_TYPE_TEST_PROGRAM));
  assertNotNull("The Program MUST NOT be NULL",program);
  Representation result=ldPath.execute(vf.createReference(CONTEXT_LONDON),program);
  assertEquals("The id of the Representation '" + result.getId() + "' is not the same as the parsed Context '"+ CONTEXT_LONDON+ "'!",CONTEXT_LONDON,result.getId());
  Iterator>> entryIt=cloneExpected(EXPECTED_RESULTS_LONDON).entrySet().iterator();
  while (entryIt.hasNext()) {
    Entry> entry=entryIt.next();
    Iterator valueIt=result.get(entry.getKey());
    assertNotNull("The result is missing the expected field '" + entry.getKey() + "'!",valueIt);
    Collection values=ModelUtils.asCollection(valueIt);
    entry.getValue().removeAll(values);
    assertTrue("The following expected values " + entry.getValue() + "' are missing (present: "+ values+ ")!",entry.getValue().isEmpty());
  }
}