fixup

Author: lukebakken

projects/Test/Integration/TestQueueDeclare.cs

@@ -97,7 +97,7 @@ async Task f()
                         // sleep for a random amount of time to increase the chances
                         // of thread interleaving. MK.
                         await Task.Delay(S_Random.Next(5, 50));
-                        string queueName = $"{_testDisplayName}-{Guid.NewGuid()}";
+                        string queueName = GenerateQueueName();
                         QueueDeclareOk r = await _channel.QueueDeclareAsync(queue: queueName,
                             durable: false, exclusive: true, autoDelete: false);
                         Assert.Equal(queueName, r.QueueName);