Jmix 2.6 Addon test dependencies

Support
#1

I am trying to migrate custom Jmix add-ons from version 2.5.2 to 2.6.2 which implies a springboot version change from 3.4.6 to 3.5.6.

AddOn Starter test are failing (do not become executed now):

  • TestEngine with ID 'junit-jupiter' failed to discover
  • OutputDirectoryProvider not available; probably due to unaligned versions of the junit-platform-engine and junit-platform-launcher jars on the classpath/module path.

Stacktrace excerpt:

org.gradle.api.internal.tasks.testing.TestSuiteExecutionException: Could not complete execution for Gradle Test Executor 27.
	at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:65)
	at java.base@17.0.17/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
...
Caused by: org.junit.platform.commons.JUnitException: TestEngine with ID 'junit-jupiter' failed to discover tests
	at app//org.junit.platform.launcher.core.EngineDiscoveryOrchestrator.discoverEngineRoot(EngineDiscoveryOrchestrator.java:160)
...
Caused by: org.junit.platform.commons.JUnitException: OutputDirectoryProvider not available; probably due to unaligned versions of the junit-platform-engine and junit-platform-launcher jars on the classpath/module path.
	at app//org.junit.platform.engine.EngineDiscoveryRequest.getOutputDirectoryProvider(EngineDiscoveryRequest.java:94)
...

After some investigation, I added the following test runtime dependency to the starter dependencies each:

    testRuntimeOnly("org.junit.platform:junit-platform-launcher")

Is that known a known required change? I could not find anything about unit testing (of addons) in the migration documentation.