static void TestSumTwoNumbersWithOMiau(ILazyCatService client)
        {
            var result = client.SumWithOMiauAuth(2, 5);

            result.ShouldBe(7);

            result = client.SumWithOMiauAuth(5, 3);
            result.ShouldBe(8);
        }
        static async Task TestSumTwoNumbersWithOMiauAsync(ILazyCatService client)
        {
            var result = await client.SumWithOMiauAuthAsync(2, 5);

            result.ShouldBe(7);

            result = await client.SumWithOMiauAuthAsync(5, 3);

            result.ShouldBe(8);
        }