@Test
public void testMapperDate_noDatePattern() {

  LOG.info("testMapperDate_noDatePattern()");
  Map<String, Object> mapConfigs = new HashMap<>();
  mapConfigs.put("some_param", "some_value");
  MapperDate mapperDate = new MapperDate();
  assertFalse("Was able to initialize!", mapperDate.init(null, "someField", null, mapConfigs));
}