public void Retrieve_correct_nullable_value(string value, double?expectation)
        {
            var retriever = new DecimalValueRetriever();
            var result    = (decimal?)retriever.Retrieve(new KeyValuePair <string, string>(IrrelevantKey, value), IrrelevantType, typeof(decimal?));

            result.Should().Be((decimal?)expectation);
        }
        public void Retrieve_a_decimal_when_passed_a_decimal_value_if_culture_is_fr_Fr()
        {
            Thread.CurrentThread.CurrentCulture = new CultureInfo("fr-FR", false);

            var retriever = new DecimalValueRetriever();
            var result    = (decimal?)retriever.Retrieve(new KeyValuePair <string, string>(IrrelevantKey, "384,234879"), IrrelevantType, typeof(decimal?));

            result.Should().Be(384.234879m);
        }