ZO-4683: Check date_last_modified instead of checksum #87

All 2 681 tests pass, 56 skipped in 9m 20s

2 files ±0 2 suites ±0 9m 20s ⏱️ +5s
2 737 tests ±0 2 681 ✅ +9 56 💤 ±0 0 ❌ - 9
2 766 runs ±0 2 710 ✅ +9 56 💤 ±0 0 ❌ - 9

Results for commit 0dc6693. ± Comparison against earlier commit d99ced9.