[FLINK-23419][streaming] Fixed the condition in testNextFirstCheckpointBarrierOvertakesCancellationBarrier in order to make the test more stable

[akalash]

…ntBarrierOvertakesCancellationBarrier in order to make the test more stable

What is the purpose of the change

PR fixes the test

Brief change log

Test condition was changed

Verifying this change

It test itself

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): (yes / no)
• The public API, i.e., is any changed class annotated with @Public(Evolving): (yes / no)
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• The runtime per-record code paths (performance sensitive): (yes / no / don't know)
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / no / don't know)
• The S3 file system connector: (yes / no / don't know)

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)

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Last check on commit 363f244 (Thu Sep 23 18:07:40 UTC 2021)

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CI report:

• 363f244 Azure: FAILURE

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[curcur]

Hey @akalash thanks for creating the PR

1. The azure failure does not seem to be related, could you please double-check to make sure it is not related
2. I know it is very unlikely, do you think it is safer to use "greaterThanOrEqualTo" and "lessThanOrEqualTo". But I am fine to keep it as it is.

[curcur]

Failure does not seem to be relevant to this fix.

[curcur]

Hmm,
[FLINK-23419][streaming] the title of the commit might need change, but anyway ==>
[FLINK-23419][runtime-checkpointing]