test RTL and font options

src/game.rs

@@ -368,3 +368,10 @@ fn test_bitsy_omnibus() {
         println!("Success! {} passes, {} skips.", passes, skips);
     }
 }
+
+#[test]
+fn test_arabic() {
+    let game = Game::from(include_str!("test-resources/arabic.bitsy").to_string());
+    assert_eq!(game.font, Font::Arabic);
+    assert_eq!(game.text_direction, TextDirection::RightToLeft);
+}