Add quantity selection factories - #1691

     4 files  ± 0       4 suites  ±0   46s ⏱️ -5s
44 735 tests +10  44 715 ✅ +10  20 💤 ±0  0 ❌ ±0 
46 461 runs  +10  46 441 ✅ +10  20 💤 ±0  0 ❌ ±0 

Results for commit f15fac7. ± Comparison against earlier commit 3c42f58.