Fix intermittent module-path ordering issue in MultiReleaseJarTests.checkDefault

[marcphilipp]

It seems the junit-platform-maven-plugin sometimes uses a wrong version of junit-platform-engine:

https://ge.junit.org/s/aqfcubud4haew/tests/:platform-tooling-support-tests:test/platform.tooling.support.tests.MultiReleaseJarTests/checkDefault()?anchor=e30&focused-execution=1&top-execution=1#L71

[marcphilipp]

Looks like this was fixed by 74a6b4e. 🤞