Makes semi-durable bindings test idempotent (fo realz)

Author: michaelklishin

test/src/com/rabbitmq/client/test/functional/DurableOnTransient.java

@@ -66,7 +66,9 @@ public void testBindDurableToTransient()
 
  public void testSemiDurableBindingRemoval() throws IOException {
  if (clusteredConnection != null) {
+ deleteExchange("x");
  declareTransientTopicExchange("x");
+ clusteredChannel.queueDelete("q");
  clusteredChannel.queueDeclare("q", true, false, false, null);
  channel.queueBind("q", "x", "k");