Cheng Wei-Lun worked on the google-ai-edge/LiteRT repository, focusing on improving the reliability of tensor pool tests for unsigned fixed-point tensors. By correcting quantization parameters and validating tensor data, Cheng addressed issues that previously caused nondeterministic test failures, thereby restoring determinism to the test suite. This work involved a follow-up pull request to address earlier changes, ensuring robust support for static tensors with unsigned fixed-point integers. Utilizing C++ and leveraging expertise in AI engine development and unit testing, Cheng stabilized continuous integration and test coverage, enabling safer ongoing development for unsigned fixed-point tensor support within the LiteRT project.