public void DoesCultureExistTest()
 {
     Assert.IsTrue(RivmAdviceValidator.CultureExists("en"));
     Assert.IsTrue(RivmAdviceValidator.CultureExists("en-US"));
     Assert.IsTrue(RivmAdviceValidator.CultureExists("nl"));
     Assert.IsTrue(RivmAdviceValidator.CultureExists("nl-NL"));
     Assert.IsTrue(RivmAdviceValidator.CultureExists("nl-BE"));
     Assert.IsTrue(RivmAdviceValidator.CultureExists("fr-BE"));
 }
        public void IsBase64Test()
        {
            var thing = Convert.ToBase64String(Encoding.UTF8.GetBytes("Klingons off the starboard bow!"));

            Assert.IsTrue(RivmAdviceValidator.IsBase64(thing));
        }