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

All 7 529 tests pass, 1 333 skipped in 26m 51s

2 files ±0 2 suites ±0 26m 51s ⏱️ - 36m 57s
8 862 tests +8 7 529 ✅ +8 1 333 💤 ±0 0 ❌ ±0
8 885 runs +8 7 529 ✅ +8 1 356 💤 ±0 0 ❌ ±0

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