diff --git a/test/game/components/controlled_multiplier_test.dart b/test/game/components/controlled_multiplier_test.dart
deleted file mode 100644
index 0d5b8960..00000000
--- a/test/game/components/controlled_multiplier_test.dart
+++ /dev/null
@@ -1,129 +0,0 @@
-// ignore_for_file: cascade_invocations
-
-import 'package:flame_test/flame_test.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';
-
-void main() {
-  TestWidgetsFlutterBinding.ensureInitialized();
-  final assets = [
-    Assets.images.multiplier.x2.lit.keyName,
-    Assets.images.multiplier.x2.dimmed.keyName,
-    Assets.images.multiplier.x3.lit.keyName,
-    Assets.images.multiplier.x3.dimmed.keyName,
-    Assets.images.multiplier.x4.lit.keyName,
-    Assets.images.multiplier.x4.dimmed.keyName,
-    Assets.images.multiplier.x5.lit.keyName,
-    Assets.images.multiplier.x5.dimmed.keyName,
-    Assets.images.multiplier.x6.lit.keyName,
-    Assets.images.multiplier.x6.dimmed.keyName,
-  ];
-  final flameTester = FlameTester(() => EmptyPinballTestGame(assets));
-
-  group('MultipliersGroup', () {
-    flameTester.test(
-      'loads correctly',
-      (game) async {
-        final multipliersGroup = Multipliers();
-        await game.ensureAdd(multipliersGroup);
-
-        expect(game.contains(multipliersGroup), isTrue);
-      },
-    );
-
-    group('loads', () {
-      flameTester.test(
-        'five Multiplier',
-        (game) async {
-          final multipliersGroup = Multipliers();
-          await game.ensureAdd(multipliersGroup);
-
-          expect(
-            multipliersGroup.descendants().whereType<Multiplier>().length,
-            equals(5),
-          );
-        },
-      );
-    });
-  });
-  group('MultipliersController', () {
-    group('controller', () {
-      // TODO(ruimiguel): change these tests to check multiplier change.
-      group('listenWhen', () {
-        flameTester.test(
-          'listens when score has changed',
-          (game) async {
-            const previous = GameState.initial();
-            final state = previous.copyWith(score: 100);
-
-            final multipliersGroup = Multipliers();
-            await game.ensureAdd(multipliersGroup);
-
-            expect(
-              multipliersGroup.controller.listenWhen(previous, state),
-              isTrue,
-            );
-          },
-        );
-
-        flameTester.test(
-          "doesn't listen when score is the same",
-          (game) async {
-            const previous = GameState.initial();
-
-            final multipliersGroup = Multipliers();
-            await game.ensureAdd(multipliersGroup);
-
-            expect(
-              multipliersGroup.controller.listenWhen(previous, previous),
-              isFalse,
-            );
-          },
-        );
-      });
-
-      group(
-        'onNewState',
-        () {
-          flameTester.test(
-            'toggle multipliers when state changes',
-            (game) async {
-              final multipliersGroup = MockMultipliersGroup();
-              final x2multiplier = MockMultiplier();
-              final x3multiplier = MockMultiplier();
-              final x4multiplier = MockMultiplier();
-              final x5multiplier = MockMultiplier();
-              final x6multiplier = MockMultiplier();
-              final controller = MultipliersController(multipliersGroup);
-              when(() => multipliersGroup.x2multiplier)
-                  .thenReturn(x2multiplier);
-              when(() => multipliersGroup.x3multiplier)
-                  .thenReturn(x3multiplier);
-              when(() => multipliersGroup.x4multiplier)
-                  .thenReturn(x4multiplier);
-              when(() => multipliersGroup.x5multiplier)
-                  .thenReturn(x5multiplier);
-              when(() => multipliersGroup.x6multiplier)
-                  .thenReturn(x6multiplier);
-
-              controller.onNewState(
-                const GameState.initial().copyWith(score: 6),
-              );
-
-              // TODO(ruimiguel): verify toggle with state.multiplier value.
-              verify(() => x2multiplier.toggle(any())).called(1);
-              verify(() => x3multiplier.toggle(any())).called(1);
-              verify(() => x4multiplier.toggle(any())).called(1);
-              verify(() => x5multiplier.toggle(any())).called(1);
-              verify(() => x6multiplier.toggle(any())).called(1);
-            },
-          );
-        },
-      );
-    });
-  });
-}
diff --git a/test/game/components/multipliers/behaviors/multipliers_behavior_test.dart b/test/game/components/multipliers/behaviors/multipliers_behavior_test.dart
index 5bf5ad7b..1e43eeff 100644
--- a/test/game/components/multipliers/behaviors/multipliers_behavior_test.dart
+++ b/test/game/components/multipliers/behaviors/multipliers_behavior_test.dart
@@ -1,21 +1,37 @@
 // ignore_for_file: cascade_invocations, prefer_const_constructors
 
+import 'dart:async';
+
 import 'package:bloc_test/bloc_test.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:mockingjay/mockingjay.dart';
 import 'package:pinball/game/components/multipliers/behaviors/behaviors.dart';
 import 'package:pinball/game/game.dart';
+import 'package:pinball_components/pinball_components.dart';
 
 import '../../../../helpers/helpers.dart';
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
+  final assets = [
+    Assets.images.multiplier.x2.lit.keyName,
+    Assets.images.multiplier.x2.dimmed.keyName,
+    Assets.images.multiplier.x3.lit.keyName,
+    Assets.images.multiplier.x3.dimmed.keyName,
+    Assets.images.multiplier.x4.lit.keyName,
+    Assets.images.multiplier.x4.dimmed.keyName,
+    Assets.images.multiplier.x5.lit.keyName,
+    Assets.images.multiplier.x5.dimmed.keyName,
+    Assets.images.multiplier.x6.lit.keyName,
+    Assets.images.multiplier.x6.dimmed.keyName,
+  ];
 
   group('MultipliersBehaviors', () {
     late GameBloc gameBloc;
 
     setUp(() {
+      registerFallbackValue(MockComponent());
       gameBloc = MockGameBloc();
       whenListen(
         gameBloc,
@@ -27,6 +43,7 @@ void main() {
     final flameBlocTester = FlameBlocTester<PinballGame, GameBloc>(
       gameBuilder: EmptyPinballTestGame.new,
       blocBuilder: () => gameBloc,
+      assets: assets,
     );
 
     flameBlocTester.testGameWidget(
@@ -34,18 +51,17 @@ void main() {
       setUp: (game, tester) async {
         final behavior = MultipliersBehavior();
         final parent = Multipliers.test();
-        final multipliers = [
-          MockMultiplier(),
-          MockMultiplier(),
-          MockMultiplier(),
-          MockMultiplier(),
-          MockMultiplier(),
-        ];
+        final multiplier = MockMultiplier();
+        final multipliers = [multiplier];
+
+        final streamController = StreamController<GameState>();
         whenListen(
           gameBloc,
-          const Stream<GameState>.empty(),
+          streamController.stream,
           initialState: GameState.initial(),
         );
+        when(() => multiplier.addToParent(any()))
+            .thenAnswer((_) async => () {});
 
         await parent.addAll(multipliers);
         await game.ensureAdd(parent);
@@ -53,9 +69,14 @@ void main() {
 
         await tester.pump();
 
+        streamController.add(GameState.initial().copyWith(score: 100));
+
+        await game.ready();
+        await tester.pump();
+
         for (final multiplier in multipliers) {
           verify(
-            () => multiplier.bloc.toggle(1),
+            () => multiplier.bloc.toggle(any()),
           ).called(1);
         }
       },
diff --git a/test/helpers/mocks.dart b/test/helpers/mocks.dart
index 001f5a9b..a7f57b3b 100644
--- a/test/helpers/mocks.dart
+++ b/test/helpers/mocks.dart
@@ -63,6 +63,8 @@ class MockFilter extends Mock implements Filter {}
 
 class MockFixture extends Mock implements Fixture {}
 
+class MockComponent extends Mock implements Component {}
+
 class MockComponentSet extends Mock implements ComponentSet {}
 
 class MockDashNestBumper extends Mock implements DashNestBumper {}