chore: analysis errors

lib/game/components/sparky_fire_zone.dart

@@ -7,8 +7,12 @@ import 'package:pinball_components/pinball_components.dart';
 
 // TODO(ruimiguel): create and add SparkyFireZone component here in other PR.
 
+// TODO(ruimiguel): make private and remove ignore once SparkyFireZone is done
+// ignore: public_member_api_docs
 class ControlledSparkyBumper extends SparkyBumper
     with Controls<_SparkyBumperController> {
+  // TODO(ruimiguel): make private and remove ignore once SparkyFireZone is done
+  // ignore: public_member_api_docs
   ControlledSparkyBumper() : super.a() {
     controller = _SparkyBumperController(this);
   }

test/game/components/sparky_fire_zone_test.dart

@@ -1,12 +1,8 @@
 // ignore_for_file: cascade_invocations
 
-import 'package:bloc_test/bloc_test.dart';
 import 'package:flame_test/flame_test.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:mocktail/mocktail.dart';
 import 'package:pinball/game/game.dart';
-import 'package:pinball_components/pinball_components.dart';
 
 import '../../helpers/helpers.dart';