public DoB48UnitTests() { _dob48Validator = new DoB48Validator(new DD07IsYRule(new DD07Rule(new ValidationData.ValidationData())), new LearnerDoBShouldNotBeNullRule(), new DD04IsInRangeRule(new DD04Rule(), new ReferenceDataFromSettingsFile(), new DateHelper()), new IsLearnerBelowSchoolAge(new DateHelper()), new LearnerValidationErrorHandler()); }