@Test
 public void testGetJSONString() throws Exception {
   assertTrue(jsonBooleanNode.getJsonBuilder().toString().equals(value.toString()));
 }
 @Test
 public void testGetValue() throws Exception {
   assertTrue(jsonBooleanNode.getValue(key).equals(Boolean.TRUE));
 }
 @Test
 public void testGetKey() throws Exception {
   assertTrue(jsonBooleanNode.getKey().equals("\"" + key + "\""));
 }