work on test models part 1

test/model/home_request_test.dart

@@ -0,0 +1,40 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tm_app/data/services/model/home/home_request/home_request_model.dart';
+
+void main() {
+  group('HomeRequestModel Tests', () {
+    final mockJson = {'id': 'home_123'};
+
+    test('fromJson creates valid instance', () {
+      final model = HomeRequestModel.fromJson(mockJson);
+
+      expect(model.id, 'home_123');
+    });
+
+    test('toJson converts model back to JSON correctly', () {
+      final model = const HomeRequestModel(id: 'home_123');
+      final json = model.toJson();
+
+      expect(json, isA<Map<String, dynamic>>());
+      expect(json['id'], 'home_123');
+    });
+
+    test('copyWith correctly updates id', () {
+      final model = const HomeRequestModel(id: 'home_123');
+      final updated = model.copyWith(id: 'home_456');
+
+      expect(updated.id, 'home_456');
+      expect(updated, isNot(equals(model)));
+    });
+
+    test('equality operator works correctly', () {
+      final model1 = const HomeRequestModel(id: 'home_123');
+      final model2 = const HomeRequestModel(id: 'home_123');
+      final model3 = const HomeRequestModel(id: 'different_id');
+
+      expect(model1, equals(model2));
+      expect(model1.hashCode, equals(model2.hashCode));
+      expect(model1, isNot(equals(model3)));
+    });
+  });
+}