Change cleanup fixtures to class scope to reduce test overhead · apache/beam@6251616

All 454 tests pass, 123 skipped in 5m 33s

2 files ±0 2 suites ±0 5m 33s ⏱️ +39s
577 tests +8 454 ✅ +8 123 💤 ±0 0 ❌ ±0
581 runs +8 454 ✅ +8 127 💤 ±0 0 ❌ ±0

Results for commit 6251616. ± Comparison against earlier commit 7766462.