* Improve readability of test runner.

* Fix Java versions in POMs.

* Remove module check and silence only-changed skip.

* Remove diff tests.

* Work around for allowed enviroment variables.

* Fix pathing mistake.

* Pathing fix 2.

* Remove skip-tests debug.

* Update shared-config for all projects.

* Fix missing parents.

* Fix for missing diff tests.

* debugging.

* Fix diff check.

* Misc testing fixes.