* reflectively with Moshi to parse stories from files.
 */
data class Story(
  val description: String? = null,
  val cases: List<Case>,
  val fileName: String? = null,
) {
  // Used as the test name.
  override fun toString() = fileName ?: "?"

  companion object {
    @JvmField
    val MISSING = Story(description = "Missing", cases = listOf(), "missing")
  }