it('should return true for dates in the past', function () {
    expect(pastValidator.validate('1.1.1900')).toBe(true);
    expect(pastValidator.validate('01.01.1900')).toBe(true);
    expect(pastValidator.validate('1. 1. 1900')).toBe(true);
    expect(pastValidator.validate('01. 01. 1900')).toBe(true);