schema:
  version: 1
  type: array
  uniqueItems: true
  items:
    type: array
    items:
      type: integer
tests:
  - valid: false
    description: Must be invalid if at least two items equal
    data:
      - - 10
        - 11
      - - 10
        - 11
      - - 20
        - 30
  - valid: true
    description: Must be valid if all items are unique
    data:
      - - 10
        - 11
      - - 11
        - 10