public async Task TestLicenseValidatorAsync()
        {
            const string licenseNumber = "AP-FAAA-N1J7-RMCF-B4JX-1QS7-RK";
            var          validator     = new LicenseValidator();

            try
            {
                var response = await validator.GetValidatorResponseAsync(licenseNumber);

                var isValid = await validator.ValidAsync(licenseNumber);

                var date = new DateTime(2020, 10, 8);

                Assert.IsTrue(response?.ExpirationDate.Date == date);
                Assert.IsTrue(isValid);
            }
            catch (Exception)
            {
                Assert.Fail();
            }
        }