add test for SettingsTile widget

test/widget/settings_tile_widget_test.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:uneconly/feature/settings/widget/settings_tile.dart';
+
+void main() {
+  group('SettingsTile widget', () {
+    testWidgets(
+      'should show settings tile with title and description',
+      (widgetTester) async {
+        await widgetTester.pumpWidget(
+          const MaterialApp(
+            home: Scaffold(
+              body: SettingsTile(
+                title: 'Hello',
+                description: 'World',
+              ),
+            ),
+          ),
+        );
+
+        final titleText = find.text('Hello');
+        final descriptionText = find.text('World');
+
+        expect(titleText, findsOne);
+        expect(descriptionText, findsOne);
+      },
+    );
+  });
+}