add tests for removed filter value, updated comment #499

All 1 525 tests pass, 8 skipped in 15s

1 files ±0 1 suites ±0 15s ⏱️ ±0s
1 533 tests +2 1 525 ✅ +2 8 💤 ±0 0 ❌ ±0
1 535 runs +2 1 527 ✅ +2 8 💤 ±0 0 ❌ ±0

Results for commit e197711. ± Comparison against earlier commit 42b44fe.