[FLINK-32060][test] Migrate subclasses of BatchAbstractTestBase in table and other modules to JUnit5

[reswqa]

What is the purpose of the change

Migrate subclasses of BatchAbstractTestBase in table and other modules to JUnit5

Brief change log

• Migrate subclasses of BatchAbstractTestBase in table and other modules to JUnit5

Verifying this change

This change is a trivial rework / code cleanup without any test coverage.

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

• Dependencies (does it add or upgrade a dependency): no
• The public API, i.e., is any changed class annotated with @Public(Evolving): no
• The serializers: no
• The runtime per-record code paths (performance sensitive): no
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
• The S3 file system connector: no

Documentation

• Does this pull request introduce a new feature? no

[flinkbot]

CI report:

• 9e02927 Azure: SUCCESS

Bot commands

The @flinkbot bot supports the following commands:

• @flinkbot run azure re-run the last Azure build

[snuyanzin]

I checked that now number of tests before the change is equal to number of tests after per changed class
no more findings from my side
lgtm

[reswqa]

Thanks @snuyanzin very much for your patient review 👍 . Without you, I didn't even realize that the number of tests wouldn't be right (my mistake) 🙇

[reswqa]

Rebased all fix-up commits, will be merged after AZP green.