* Test Cases for more than two oneOf-Options (both passing, but important to narrow down observed bug)
* fix language-specific tests broken by adding a third fruit to oneOf test
* create reproducer unit test for java client codegen
* fix typo in test yaml
* fix ModelUtils.getParentName returning name of first element in composed schema instead of null when there are multiple elements and it is not clear which one should be parent
* rename test yaml and added tests for clarity
* update samples
* update samples again