Add tests for reading and writing digital lines with varying lines pe… #1253

All 1 994 tests pass, 354 skipped in 51m 13s

34 files ±0 34 suites ±0 51m 13s ⏱️ + 2m 1s
2 348 tests ±0 1 994 ✅ ±0 354 💤 ±0 0 ❌ ±0
42 272 runs ±0 36 020 ✅ ±0 6 252 💤 ±0 0 ❌ ±0

Results for commit 63db35e. ± Comparison against earlier commit 1913a6a.