tests: add test coverage and Changelog.md #539

All 375 tests pass, 1 skipped in 2m 51s

    1 files ±0 142 suites +1 2m 51s ⏱️ -56s
376 tests +1 375 ✔️ +1 1 💤 ±0 0 ❌ ±0
377 runs +1 376 ✔️ +1 1 💤 ±0 0 ❌ ±0

Results for commit 407e3a1. ± Comparison against earlier commit cb5be47.