Shreya Gursal developed an internal regression testing API for PyMotorCAD RPC methods in the ansys/pymotorcad repository, focusing on enhancing the reliability of remote procedure call changes. She implemented the rpc_methods_testing.py module, introducing the _RpcMethodsTesting class and a run_regression_tests method that integrates directly with core RPC methods to automate the generation and execution of regression tests. Using Python and leveraging her expertise in API development and testing frameworks, Shreya also updated codecov.yml to exclude the new testing file from coverage metrics. Her work established a foundation for automated internal regression testing, improving RPC stability and feedback cycles.