Revert "[ci] Increase TEST_CONCURRENCY from 8 to 12 (#94138)" (#94517)

There's some evidence that this was meaningfully increasing flakiness:
https://vercel.slack.com/archives/C04KC8A53T7/p1780773226831399
This commit is contained in:
Benjamin Woodruff
2026-06-06 21:41:53 +00:00
committed by GitHub
parent f4828c13e7
commit e8638a6c07
+1 -1
View File
@@ -108,7 +108,7 @@ env:
NODE_LTS_VERSION: 20.9.0
# run-tests.js reads `TEST_CONCURRENCY` if no explicit `--concurrency` or `-c`
# argument is provided
TEST_CONCURRENCY: 12
TEST_CONCURRENCY: 8
# overrides `turbo_tasks::parallel::available_parallelism`. Smaller values are more CPU and memory
# efficient, but won't fully utilize all available CPU cores. A small value here makes sense since
# we're running many tests in parallel.