URLValidator validator = new URLValidator();
validator.setValidatorContext(new GenericValidatorContext(new Object()));
validator.setFieldName("testingUrl5");
validator.setValueStack(ActionContext.getContext().getValueStack());
validator.validate(new MyObject());
assertFalse(validator.getValidatorContext().hasErrors());
assertFalse(validator.getValidatorContext().hasActionErrors());
assertFalse(validator.getValidatorContext().hasActionMessages());
assertFalse(validator.getValidatorContext().hasFieldErrors());