Reset query cache only after job new bulk-operation started #3363

All 292 tests pass in 3m 7s

    1 files ±0   45 suites ±0 3m 7s ⏱️ -4s
292 tests ±0 292 ✔️ ±0 0 💤 ±0 0 ❌ ±0
299 runs ±0 299 ✔️ ±0 0 💤 ±0 0 ❌ ±0

Results for commit ad80f70. ± Comparison against earlier commit a6d9fc3.