* [ruby] fix oneOf handling * use previous ruby configs due to issue #4690 * check for oneOf model in base_object * validate the attributes in partial_oneof_module
* update ruby faraday oas v2 samples * skip some default tests in faraday * add ruby faraday oas v3 client * add tests, fix url * add tests to CI * fix file upload * undo changes to ruby-client-petstore.sh * test faraday first * combine gemspec tempaltes * test ruby faraday in drone.io * use smaller image * update bundler * use official ruby image * skip bundler installation * skip autotest * install make * use different image * skip ruby tests in drone.io