Not sure if this is a gradle or kotlin problem ... we have:

testFixturesImplementation("org.apache.commons:commons-lang3")
toolsImplementation("org.apache.commons:commons-lang3")

and that was sufficient to compile our kotlin unit tests. Today, I started the work to upgrade out build setup to use kotlin 2.2.20 (from 1.9.22 before), and now those kotlin unit tests using lang3 don't compile any more.

e: file:///Volumes/Whatever/.../foo/src/testFixtures/kotlin/.../Blub.kt:23:27 Unresolved reference 'lang3'.

(and similarly, another kotlin unit test that relies on src/tools/java ... also doesn't see those classes any more.

It's an intentional change in KGP to align behaviour with Gradle https://kotlinlang.org/docs/whatsnew2020.html#aligned-dependency-behavior-of-kotlin-gradle-plugin-with-java-test-fixtures-plugin

thank you