Merge remote-tracking branch 'refs/remotes/origin/feat/dino-mechanics' into feat/dino-mechanics

.gitignore

@@ -130,4 +130,4 @@ app.*.map.json
 .firebase
 
 test/.test_runner.dart
-web/__/firebase/init.js
+web/__/firebase/init.js

test/game/components/board_test.dart

@@ -87,6 +87,19 @@ void main() {
           expect(roundBumpers.length, equals(3));
         },
       );
+
+      flameTester.test(
+        'has three RoundBumpers',
+        (game) async {
+          // TODO(alestiago): change to [NestBumpers] once provided.
+          final board = Board();
+          await game.ready();
+          await game.ensureAdd(board);
+
+          final roundBumpers = board.findNestedChildren<RoundBumper>();
+          expect(roundBumpers.length, equals(3));
+        },
+      );
     });
   });
 }