Increment waitedTime by time waited on each iteration while waiting for a value to be stable

Author: lukebakken

src/test/java/com/rabbitmq/client/amqp/impl/TestUtils.java

@@ -70,6 +70,7 @@ static <T> T waitUntilStable(Supplier<T> call, Duration waitTime) {
       T previousValue = call.get();
       try {
         Thread.sleep(waitTime.toMillis());
+        waitedTime = waitedTime.plus(waitTime);
       } catch (InterruptedException e) {
         Thread.currentThread().interrupt();
         throw new RuntimeException(e);