chore: fixed spaces between methods and other comments from pr

lib/game/components/ball.dart

@@ -9,6 +9,11 @@ import 'package:pinball/game/game.dart';
 class Ball extends BodyComponent<PinballGame> with InitialPosition, Layered {
   /// {@macro ball}
   Ball() {
+    // TODO(ruimiguel): while developing Ball can be launched by clicking mouse,
+    //and default  layer is Layer.all. But on final game Ball will be always be
+    //be launched from Plunger and LauncherRamp will modify it to Layer.board.
+    //We need to see what happens if Ball appears from other place like nest
+    //bumper, it will need to explicit change layer to Layer.board then.
     layer = Layer.board;
   }
 

lib/game/components/ramp_opening.dart

@@ -1,4 +1,5 @@
 // ignore_for_file: avoid_renaming_method_parameters
+
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flutter/material.dart';
 import 'package:pinball/game/game.dart';

test/game/components/ball_test.dart

@@ -72,13 +72,14 @@ void main() {
       );
 
       flameTester.test(
-        'has all as default filter maskBits',
+        'has Layer.all as default filter maskBits',
         (game) async {
           final ball = Ball();
           await game.ensureAdd(ball);
+          await ball.mounted;
 
           final fixture = ball.body.fixtures[0];
-          expect(fixture.filterData.maskBits, equals(Layer.all.maskBits));
+          expect(fixture.filterData.maskBits, equals(Layer.board.maskBits));
         },
       );
     });
@@ -149,29 +150,5 @@ void main() {
         },
       );
     });
-
-    group('setLayer', () {
-      final flameTester = FlameTester(PinballGameTest.create);
-
-      flameTester.test(
-        'modifies layer correctly',
-        (game) async {
-          const newLayer = Layer.jetpack;
-
-          final ball = Ball();
-          await game.ensureAdd(ball);
-
-          final fixture = ball.body.fixtures[0];
-
-          expect(fixture.filterData.categoryBits, equals(1));
-          expect(fixture.filterData.maskBits, equals(Layer.all.maskBits));
-
-          ball.layer = newLayer;
-
-          expect(fixture.filterData.categoryBits, equals(newLayer.maskBits));
-          expect(fixture.filterData.maskBits, equals(newLayer.maskBits));
-        },
-      );
-    });
   });
 }

test/game/components/layer_test.dart

@@ -16,6 +16,7 @@ class TestBodyComponent extends BodyComponent with Layered {
 
 void main() {
   final flameTester = FlameTester(Forge2DGame.new);
+
   group('Layered', () {
     void _expectLayerOnFixtures({
       required List<Fixture> fixtures,

test/game/components/pathway_test.dart

@@ -10,7 +10,7 @@ import '../../helpers/helpers.dart';
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
-  final flameTester = FlameTester(PinballGameTest.create);
+  final flameTester = FlameTester(Forge2DGame.new);
 
   group('Pathway', () {
     const width = 50.0;

test/game/components/ramp_opening_test.dart

@@ -67,7 +67,7 @@ void main() {
         },
       );
 
-      group('fixture', () {
+      group('first fixture', () {
         const pathwayLayer = Layer.jetpack;
         const openingLayer = Layer.opening;