Add `warning` and `error` columns to `ard_regression()` output #291

All 102 tests pass in 59s

1 files ±0 102 suites +3 59s ⏱️ -1s
102 tests +3 102 ✅ +3 0 💤 ±0 0 ❌ ±0
576 runs +3 576 ✅ +3 0 💤 ±0 0 ❌ ±0

Results for commit 68ab394. ± Comparison against earlier commit 147cffc.