TF-4141 Add widget test for displaying tag of action required in mobile, web, tablet view

test/fixtures/widget_fixtures.dart

@@ -1,6 +1,7 @@
-
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:flutter_test/flutter_test.dart';
 import 'package:get/get.dart';
 import 'package:tmail_ui_user/main/localizations/app_localizations_delegate.dart';
 import 'package:tmail_ui_user/main/localizations/localization_service.dart';
@@ -19,4 +20,42 @@ class WidgetFixtures {
       home: Scaffold(body: child),
     );
   }
-}
+
+  static Future<void> setupResponsive(
+    WidgetTester tester, {
+    required Size logicalSize,
+    TargetPlatform? platform,
+  }) async {
+    if (platform != null) {
+      debugDefaultTargetPlatformOverride = platform;
+    }
+
+    final dpi = tester.view.devicePixelRatio;
+    tester.view.physicalSize =
+        Size(logicalSize.width * dpi, logicalSize.height * dpi);
+
+    await tester.pump();
+  }
+
+  static void resetResponsive(WidgetTester tester) {
+    debugDefaultTargetPlatformOverride = null;
+    tester.view.reset();
+  }
+
+  static Future<void> pumpResponsiveWidget(
+    WidgetTester tester,
+    Widget widget, {
+    required Size logicalSize,
+    TargetPlatform? platform,
+  }) async {
+    await tester.pumpWidget(widget);
+
+    await WidgetFixtures.setupResponsive(
+      tester,
+      logicalSize: logicalSize,
+      platform: platform,
+    );
+
+    await tester.pump();
+  }
+}