@Test
public void testNotNull() {

	IValidator<Object> validator = new HibernateValidatorProperty(new Model<TestBean>(new TestBean("aaa", "aaa")), "a");
	
	Validatable<Object> validatable = new Validatable<Object>(null);
	validator.validate(validatable);
	
	assertEquals(1, validatable.getErrors().size());
	assertEquals("NotNull", getError(validatable).getKeys().get(0));
}