``` val subsequentValues = Generators.someValue.f...

# kotest

[pakoito]

val subsequentValues = Generators.someValue.flatMap { w1 ->
    Generators.window.filter { w1 < it }.map { w1 to it }
  }

  "should fail on empty map" {
    checkAll(subsequentValues) { (v1, v2) ->
      someFun(emptyMap(), v1, v2) shouldBeInvalid "A".nel()
    }
  }