test: coverage for cubit

packages/pinball_components/test/src/components/multiplier/cubit/multiplier_cubit_test.dart

@@ -9,7 +9,7 @@ void main() {
     'MultiplierCubit',
     () {
       blocTest<MultiplierCubit, MultiplierState>(
-        "emits [lit] when 'next' on dimmed with same multiplier value",
+        "emits [lit] when 'next' on x2 dimmed with x2 multiplier value",
         build: () => MultiplierCubit(MultiplierValue.x2),
         act: (bloc) => bloc.next(2),
         expect: () => [
@@ -22,6 +22,62 @@ void main() {
         ],
       );
 
+      blocTest<MultiplierCubit, MultiplierState>(
+        "emits [lit] when 'next' on x3 dimmed with x3 multiplier value",
+        build: () => MultiplierCubit(MultiplierValue.x3),
+        act: (bloc) => bloc.next(3),
+        expect: () => [
+          isA<MultiplierState>()
+            ..having(
+              (state) => state.spriteState,
+              'spriteState',
+              MultiplierSpriteState.lit,
+            ),
+        ],
+      );
+
+      blocTest<MultiplierCubit, MultiplierState>(
+        "emits [lit] when 'next' on x4 dimmed with x4 multiplier value",
+        build: () => MultiplierCubit(MultiplierValue.x4),
+        act: (bloc) => bloc.next(4),
+        expect: () => [
+          isA<MultiplierState>()
+            ..having(
+              (state) => state.spriteState,
+              'spriteState',
+              MultiplierSpriteState.lit,
+            ),
+        ],
+      );
+
+      blocTest<MultiplierCubit, MultiplierState>(
+        "emits [lit] when 'next' on x5 dimmed with x5 multiplier value",
+        build: () => MultiplierCubit(MultiplierValue.x5),
+        act: (bloc) => bloc.next(5),
+        expect: () => [
+          isA<MultiplierState>()
+            ..having(
+              (state) => state.spriteState,
+              'spriteState',
+              MultiplierSpriteState.lit,
+            ),
+        ],
+      );
+
+      blocTest<MultiplierCubit, MultiplierState>(
+        "emits [lit] when 'next' on x6 dimmed with x6 multiplier value",
+        build: () => MultiplierCubit(MultiplierValue.x6),
+        act: (bloc) => bloc.next(6),
+        expect: () => [
+          isA<MultiplierState>()
+            ..having(
+              (state) => state.spriteState,
+              'spriteState',
+              MultiplierSpriteState.lit,
+            ),
+        ],
+      );
+
       blocTest<MultiplierCubit, MultiplierState>(
         "emits [dimmed] when 'next' on lit with different multiplier value",
         build: () => MultiplierCubit(MultiplierValue.x2),