public void GetHtmlNoAcquirerIDTest()
        {
            IOptions options = new ThreeDSEligibleBrandsOptions(null, SupportedCards.VISA | SupportedCards.AMEX);
            string   result  = options.GetOptionString();

            Assert.IsNull(result);
        }
        public void GetHtmlTest()
        {
            IOptions options = new ThreeDSEligibleBrandsOptions("abc123", SupportedCards.VISA | SupportedCards.AMEX);
            string   result  = options.GetOptionString();

            Assert.IsNotNull(result);
            Assert.IsTrue(result.Contains("\"threeDSEligibleBrands\":{"));
            Assert.IsTrue(result.Contains("\"acquirerId\":\"abc123\""));
            Assert.IsTrue(result.Contains("\"cardBrands\":[\"VISA\",\"AMEX\"]"));
        }