Value sets in several columns expand to every combination

All 12 scenarios hold

Each row runs once per combination of values — three x values times two y values give six invocations per row.

expected outcome broken scenario
ScenarioxyIs sum even?
Even plus even
  • 2
  • 4
  • 6
  • 8
  • 10
true
Odd plus even
  • 1
  • 3
  • 5
  • 6
  • 8
false