diff --git a/test/core/definitions/serialization_test.dart b/test/core/definitions/serialization_test.dart
index d1774112..c9c108bd 100644
--- a/test/core/definitions/serialization_test.dart
+++ b/test/core/definitions/serialization_test.dart
@@ -165,5 +165,29 @@ void main() {
         action.toJson(),
       );
     });
+
+    test("DataSchemas", () async {
+      final dataSchemaJson = {
+        "@type": [
+          "foo",
+          "bar",
+        ],
+        "properties": {
+          "baz": {
+            "type": "string",
+          },
+        },
+      };
+
+      final dataSchema = DataSchema.fromJson(
+        dataSchemaJson,
+        PrefixMapping(),
+      );
+
+      expect(
+        dataSchemaJson,
+        dataSchema.toJson(),
+      );
+    });
   });
 }