Dichen developed an expanded unit test suite for the ModuleSparsificationInfo class in the vllm-project/llm-compressor repository, focusing on improving validation for quantization and sparsity parameters. Using Python, PyTorch, and Pytest, Dichen implemented tests targeting the params_quantized_percent and params_sparse_percent methods, ensuring more robust calculations and reducing the risk of regressions in model compression workflows. This work enhanced code quality by providing deeper coverage of sparsification logic, supporting safer feature deployments and streamlining future debugging. The engineering effort demonstrated a methodical approach to strengthening test infrastructure, addressing potential edge cases, and contributing to the maintainability of the codebase.