public async Task EmitTwoMetricsPerMethod(string method)
        {
            using (var testApiClient = _testApiServer.Start())
            {
                var request = new HttpRequestMessage(new HttpMethod(method), "/metrics");

                await testApiClient.SendAsync(request);

                _udpListener.GetWrittenBytesAsString().Should().HaveCount(2);
            }
        }