[Issue 873] Fix flaky test TestRLQMultiTopics() and TestRLQSpecifiedPartitionTopic() #874
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Fixes #873
Motivation
The TestRLQMultiTopics() and TestRLQSpecifiedPartitionTopic() have a very high chance of failing (stuck forever). The purpose of this PR is to fix the stuck problem to save CI cost and find out why it often failed.
In my environment, run the TestRLQMultiTopics() 50 times in a row, the stuck will definitely occur (usually occurs in the tenth). Strangely after changing the location of the DLQ subscription statement, the problem never reappeared.
Did I miss something?
Modifications
The subcription of DLQ consumer has been moved from before RLQ consumer to after RLQ consumer.
Verifying this change
(Please pick either of the following options)
This change is a trivial rework / code cleanup without any test coverage.
(or)
This change is already covered by existing tests, such as (please describe tests).
(or)
This change added tests and can be verified as follows:
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