@Test
public void findFirstKeyJSONObjectTestNestedJSONArray() throws Exception
{

  final String joString = "{\"a\":[{\"b\":{\"c\":\"d\"}}]}";
  JSONObject jo = new JSONObject(joString);
  JSONObject joFind = SchemaUtils.findFirstKeyJSONObject(jo, "b");
  Assert.assertEquals(1, joFind.length());
  Assert.assertEquals("d", joFind.get("c"));
}