@Test
  public void testOk1() throws Exception {

    AjaxMessage ok = AjaxMessage.ok(StringPool.AND);
    assertEquals(ok.getMessage(), StringPool.AND);
  }
 @Test
 public void testOk2() throws Exception {
   Pair<Integer, Integer> data = Pair.of(1, 2);
   AjaxMessage ok = AjaxMessage.ok(data);
   assertEquals(ok.getMessage(), StringPool.EMPTY);
 }
  @Test
  public void testOk() throws Exception {

    AjaxMessage ok = AjaxMessage.OK;
    assertEquals(ok.getMessage(), StringPool.EMPTY);
  }