[fix][test] flaky test testCanRecoverConsumptionWhenLiftMaxUnAckedMessagesRestriction

[labuladong]

Fixes #18617

Modifications

The reason for Awaitility timeout:

pulsar/pulsar-broker/src/test/java/org/apache/pulsar/client/impl/KeySharedSubscriptionTest.java

Lines 142 to 155 in 3df506d

	Producer<byte[]> producer = pulsarClient.newProducer()
	.topic(topic)
	.enableBatching(true)
	.batchingMaxPublishDelay(1, TimeUnit.MILLISECONDS)
	// We chose 9 because the maximum unacked message is 10
	.batchingMaxMessages(9)
	.create();
	for (int i = 0; i < totalMsg; i++) {
	producer.sendAsync(UUID.randomUUID().toString()
	.getBytes(StandardCharsets.UTF_8))
	.thenAccept(pubMessages::add);
	}

The producer didn't set a key for msg, so even if there are 3 key_shared consumers, there is only 1 consumer to receive messages.

Then this consumer will sync receive and sync ack 1000 messages in 10 - 5 = 5 seconds, a little hurry:

pulsar/pulsar-broker/src/test/java/org/apache/pulsar/client/impl/KeySharedSubscriptionTest.java

Lines 172 to 177 in 3df506d

	// Wait for all consumers to continue receiving messages.
	Awaitility.await()
	.pollDelay(5, TimeUnit.SECONDS)
	.until(() ->
	(System.currentTimeMillis() - lastActiveTime.get()) > TimeUnit.SECONDS.toMillis(5));

Solution:

1. Construct keys for messages, and ensure all 3 consumers can handle messages.

2. Give more time to wait for all consumers to handle messages.

Verifying this change

• Make sure that the change passes the CI checks.

Documentation

• doc
• doc-required
• doc-not-needed
• doc-complete

Matching PR in forked repository

PR in forked repository: labuladong#15

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.95%. Comparing base (b36e012) to head (a57c20a).
⚠️ Report is 3198 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #18726      +/-   ##
============================================
- Coverage     47.74%   46.95%   -0.79%     
+ Complexity    10623    10552      -71     
============================================
  Files           703      703              
  Lines         68828    68828              
  Branches       7381     7381              
============================================
- Hits          32861    32319     -542     
- Misses        32307    32874     +567     
+ Partials       3660     3635      -25     

Flag	Coverage Δ
unittests	46.95% <ø> (-0.79%)	⬇️

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see 59 files with indirect coverage changes

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[labuladong]

/pulsarbot rerun-failure-checks

[labuladong]

/pulsarbot rerun-failure-checks

[labuladong]

/pulsarbot rerun-failure-checks

[labuladong]

/pulsarbot rerun-failure-checks

[labuladong]

/pulsarbot rerun-failure-checks

[liangyepianzhou]

LGTM

[labuladong]

This pr is ready to merge ^_^