cases:
- data:
  modules:
  - |
    package test3

    p(1, a) = y {
      y = a
    }

    p(x, y) = z {
      z = x
    }

    r = y {
      data.test3.p(1, 0, y)
    }
  note: functionerrors/function output conflict multiple
  query: data.test3.r = x
  want_error: functions must not produce multiple outputs for same inputs
  want_error_code: eval_conflict_error