Worked on stabilizing the MLX5 test suite in the amzn/rdma-core repository by introducing conditional skips for tests dependent on hardware features not present in certain NICs, specifically Reg C and flow counter support. This approach reduced flaky failures and CI noise, resulting in faster and more reliable feedback during continuous integration. Leveraging Python and network engineering expertise, the developer implemented commit-driven improvements to test automation and conditional logic within the test suite. The changes maintained test coverage intent by only skipping unsupported branches, ensuring that all supported configurations continued to be validated while lowering the maintenance burden for the team.