assertEquals(1, data.getChildUrlSet().size());
        assertFalse(data.getChildUrlSet().contains(child1));
        assertTrue(data.getChildUrlSet().contains(child2));
    }

    public void test_childUrlSetNoDuplicates() {
        // Test that child URL set does not allow duplicates
        ResponseData data = new ResponseData();

        RequestData child = new RequestData();
        child.setMethod(Method.GET);