Add drag and drop test screen

lib/drag_screen.dart

@@ -0,0 +1,109 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+class DragScreen extends StatefulWidget {
+  const DragScreen({super.key});
+
+  @override
+  State<DragScreen> createState() => _DragScreenState();
+}
+
+class _DragScreenState extends State<DragScreen> {
+  List<int> items = [1, 2, 3, 4, 5];
+  // Target order for Maestro drag-and-drop test validation
+  static const List<int> targetOrder = [3, 1, 4, 5, 2];
+
+  bool get isCorrectOrder => listEquals(items, targetOrder);
+
+  void _onReorder(int oldIndex, int newIndex) {
+    setState(() {
+      if (newIndex > oldIndex) {
+        newIndex -= 1;
+      }
+      final item = items.removeAt(oldIndex);
+      items.insert(newIndex, item);
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Drag Test'),
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+      ),
+      body: Column(
+        children: [
+          Padding(
+            padding: const EdgeInsets.all(16.0),
+            child: Text(
+              'Reorder items to: ${targetOrder.join(", ")}',
+              style: Theme.of(context).textTheme.titleMedium,
+            ),
+          ),
+          Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 16.0),
+            child: Text(
+              'Current order: ${items.join(", ")}',
+              style: Theme.of(context).textTheme.bodyMedium,
+            ),
+          ),
+          const SizedBox(height: 16),
+          Expanded(
+            child: ReorderableListView.builder(
+              itemCount: items.length,
+              onReorder: _onReorder,
+              buildDefaultDragHandles: false,
+              proxyDecorator: (child, index, animation) {
+                return Material(
+                  elevation: 4,
+                  color: Colors.transparent,
+                  child: child,
+                );
+              },
+              itemBuilder: (context, index) {
+                final item = items[index];
+                return ReorderableDragStartListener(
+                  key: ValueKey(item),
+                  index: index,
+                  child: Card(
+                    margin: const EdgeInsets.symmetric(
+                      horizontal: 16,
+                      vertical: 4,
+                    ),
+                    child: ListTile(
+                      leading: const Icon(Icons.drag_handle),
+                      title: Text(
+                        'Item $item',
+                        style: const TextStyle(fontSize: 18),
+                        semanticsLabel: 'Item $item',
+                      ),
+                    ),
+                  ),
+                );
+              },
+            ),
+          ),
+          if (isCorrectOrder)
+            Container(
+              padding: const EdgeInsets.all(24),
+              color: Colors.green,
+              width: double.infinity,
+              child: const Text(
+                'Drag Success',
+                textAlign: TextAlign.center,
+                style: TextStyle(
+                  color: Colors.white,
+                  fontSize: 24,
+                  fontWeight: FontWeight.bold,
+                ),
+              ),
+            ),
+        ],
+      ),
+    );
+  }
+}

lib/main.dart

@@ -6,6 +6,7 @@ import 'package:demo_app/issue_1619_repro.dart';
 import 'package:demo_app/issue_1677_repro.dart';
 import 'package:demo_app/nesting_screen.dart';
 import 'package:demo_app/swiping_screen.dart';
+import 'package:demo_app/drag_screen.dart';
 import 'package:demo_app/webview.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -106,6 +107,14 @@ class _MyHomePageState extends State<MyHomePage> {
                 },
                 child: const Text('Swipe Test'),
               ),
+              ElevatedButton(
+                onPressed: () {
+                  Navigator.of(context).push(
+                    MaterialPageRoute(builder: (_) => const DragScreen()),
+                  );
+                },
+                child: const Text('Drag Test'),
+              ),
               ElevatedButton(
                 onPressed: () {
                   Navigator.of(context).push(