During October 2025, Pavel Safronov modernized integration testing workflows across the mongodb/node-mongodb-native and mongodb-labs/drivers-evergreen-tools repositories. He migrated legacy stats tests to TypeScript and unified Change Streams tests under a new test suite builder, streamlining test maintenance and improving reliability. Pavel also enhanced documentation to guide contributors through cross-version MongoDB and macOS architecture testing, clarifying environment variable usage and Rosetta installation to address compatibility issues. His work leveraged JavaScript, TypeScript, and shell scripting to improve CI feedback speed and onboarding for new contributors. The updates provided deeper test coverage and reduced friction in the release process without introducing regressions.