Worked on enhancing the testing framework for bytecode operations in the bluealloy/revm repository, focusing on improving test reliability and coverage. Developed a utility function in Rust to generate memory input opcodes, enabling more comprehensive and flexible test scenarios. Refactored existing tests to incorporate random values, which increased coverage and reduced test flakiness. Introduced memory offset handling for MSTORE operations to better align tests with opcode semantics. Addressed lint issues throughout the test suite, improving code quality and maintainability. The work demonstrated a strong grasp of bytecode manipulation and testing practices, contributing to a more robust and maintainable codebase.