JUnit5 support

Imported from Jira BEAM-3415. Original Jira may contain additional context.
Reported by: romain.manni-bucau.

We're looking forward to this feature for some time already. Are there any updates on the topic?

Can you share more about how you want to use it? I think the Beam testing utilities include some JUnit4 utilities (like TestPipeline, and then also some hamcrest matchers. Maybe it would make sense to build a separate JUnit5 version of these while keeping the JUnit4 versions for compatibility with existing uses?

Just starting out with testing my apache beam pipeline. Must say I am pretty surprised this is still depending on Junit 4.
Junit 5 has been out for a while now and Junit 4 is outdated.

Is anyone actively working on adding JUnit5 support to Beam?

In TestPipeline,

import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;

are deprecated in JUnit5

Update CHANGES.md with correct issue reference apache#18733

.take-issue

This issue fixed, will be available in 2.68.0

This was functioning as of Beam 2.69.0 (#36258)

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JUnit5 support #18733

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IraRe commented on Mar 9, 2023

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