@misc{reich2023testability,
  title={Testability Refactoring in Pull Requests: Patterns and Trends},
  author={Pavel Reich and Walid Maalej},
  year={2023},
  eprint={2303.14253},
  archivePrefix={arXiv},
  primaryClass={cs.SE},
  url={https://arxiv.org/abs/2303.14253}
}