message: Fix stale IBL string in shadowtest sample.
diff: @@ -55,7 +55,7 @@ struct App {
  };
  static const char* MODEL_FILE = "assets/models/monkey/monkey.obj";
  -static const char* IBL_FOLDER = "envs/pillars";
  +static const char* IBL_FOLDER = "venetian_crossroads_2k";
  static constexpr bool ENABLE_SHADOWS = true;
  