- THRIFT-5712 - Added Dart 3 Compatibility
diff --git a/lib/dart/test/serializer/serializer_test.dart b/lib/dart/test/serializer/serializer_test.dart
index 89883cb..33df024 100644
--- a/lib/dart/test/serializer/serializer_test.dart
+++ b/lib/dart/test/serializer/serializer_test.dart
@@ -25,9 +25,9 @@
 
 void main() {
   var serializer = () {
-    TDeserializer deserializer;
-    TSerializer serializer;
-    TestTObject testTObject;
+    TDeserializer deserializer = TDeserializer();
+    TSerializer serializer = TSerializer();
+    TestTObject testTObject = TestTObject();
 
     setUp(() {
       serializer = TSerializer();
@@ -39,7 +39,7 @@
       testTObject.d = 15.25;
       testTObject.i = 10;
 
-      var testList = List<String>();
+      var testList = <String>[];
       testList.add("TEST 1");
       testList.add("TEST 2");