McNemar's statistical test addition: `ard_mcnemartest` #166

All 9 tests pass, 4 skipped in 2s

1 files ±0 13 suites ±0 2s ⏱️ ±0s
13 tests ±0 9 ✅ ±0 4 💤 ±0 0 ❌ ±0
27 runs ±0 20 ✅ ±0 7 💤 ±0 0 ❌ ±0

Results for commit 72e7368. ± Comparison against earlier commit 161ad3a.