} catch (ignored: IOException) {
        // Skip this path.
      }
    }
    return result.toTypedArray<String>()
  }

  /**
   * Reads stories named "story_xx.json" from the folder provided.
   */
  fun readStories(testFolderName: String): List<Story> {
    val result = mutableListOf<Story>()
    var i = 0
    while (true) { // break after last test.
      val storyResourceName =