tests: add test cases #421

All 221 tests pass in 3m 3s

    1 files ±0   67 suites +1 3m 3s ⏱️ -26s
221 tests +2 221 ✔️ +2 0 💤 ±0 0 ❌ ±0
224 runs +2 224 ✔️ +2 0 💤 ±0 0 ❌ ±0

Results for commit 8efd321. ± Comparison against earlier commit 7b3e655.