fix: update google word animation and change speed of animations to 12fps (#287)

lib/game/view/widgets/bonus_animation.dart

@@ -126,7 +126,7 @@ class _BonusAnimationState extends State<BonusAnimation>
     );
     animation = spriteSheet.createAnimation(
       row: 0,
-      stepTime: 1 / 24,
+      stepTime: 1 / 12,
       to: spriteSheet.rows * spriteSheet.columns,
       loop: false,
     );

test/game/view/widgets/bonus_animation_test.dart

@@ -24,6 +24,7 @@ class MockCallback extends Mock {
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
+  const animationDuration = 6;
 
   setUp(() async {
     // TODO(arturplaczek): need to find for a better solution for loading image
@@ -102,7 +103,7 @@ void main() {
 
       await tester.pump();
 
-      await Future<void>.delayed(const Duration(seconds: 4));
+      await Future<void>.delayed(const Duration(seconds: animationDuration));
 
       await tester.pump();
 
@@ -133,7 +134,7 @@ void main() {
           .state(find.byType(BonusAnimation))
           .didUpdateWidget(secondAnimation);
 
-      await Future<void>.delayed(const Duration(seconds: 4));
+      await Future<void>.delayed(const Duration(seconds: animationDuration));
 
       await tester.pump();
 

test/game/view/widgets/game_hud_test.dart

@@ -147,7 +147,7 @@ void main() {
           await tester.pump();
           // TODO(arturplaczek): remove magic number once this is merged:
           // https://github.com/flame-engine/flame/pull/1564
-          await Future<void>.delayed(const Duration(seconds: 4));
+          await Future<void>.delayed(const Duration(seconds: 6));
 
           await expectLater(find.byType(ScoreView), findsOneWidget);
         });