final String ruleName = "addressing.email";
final Validator validator = new Validator(ruleName, OnFail.ERROR).setAppContext(appContext);
final ValidationResult result = new ValidationResult();
MockExecutionContext executionContext = new MockExecutionContext();
FilterResult.setResults(executionContext, result);
validator.validate("xyz", executionContext);
validator.validate("xyz", executionContext);
validator.validate("xyz", executionContext);