[Bifrost] SpreadSelector initial implementation #2864

All 6 tests pass in 18m 1s

15 files ±0 15 suites ±0 18m 1s ⏱️ -40s
6 tests ±0 6 ✅ ±0 0 💤 ±0 0 ❌ ±0
18 runs ±0 18 ✅ ±0 0 💤 ±0 0 ❌ ±0

Results for commit 4b88163. ± Comparison against earlier commit dfc8913.