public void NonNumbers()
        {
            string             nonNumber = "I'm Even";
            FunctionTestLogger logger    = new FunctionTestLogger(output);

            Assert.ThrowsAsync <ArgumentException>(async() =>
                                                   await OddOrEvenQueue.RunAsync(nonNumber, logger)
                                                   );
        }
        public async Task OddNumberAsync(BigInteger number)
        {
            FunctionTestLogger logger = new FunctionTestLogger(output);

            await OddOrEvenQueue.RunAsync(number.ToString(), logger);

            var wasOdd = (from l in logger.getLogs()
                          where l.Equals("Was odd")
                          select l).Any();

            Assert.True(wasOdd);

            Assert.Equal("Odd", await request.Content.ReadAsStringAsync());
        }