Add `ok-to-test` trigger for functional tests #1201

All 3 009 tests pass, 9 skipped in 2m 50s

3 018 tests ±0 3 009 ✔️ ±0 2m 50s ⏱️ -15s
  256 suites ±0       9 💤 ±0
      1 files ±0       0 ❌ ±0

Results for commit 006cdc7. ± Comparison against earlier commit fcbb71f.