diff --git a/js/serialization.test.ts b/js/serialization.test.ts
index b1e76144..7a88f369 100644
--- a/js/serialization.test.ts
+++ b/js/serialization.test.ts
@@ -57,6 +57,8 @@ function testSerialization<T>({
 
     const readSerializedState = readFixture(name);
 
+    expect(readSerializedState).toEqual(serializedState);
+
     const secondStore = getStore();
     secondStore.dispatch({
       type: LOAD_SERIALIZED_STATE,