TF-4056 Add E2E for persist filter when change search input text

integration_test/robots/search_robot.dart

@@ -85,4 +85,14 @@ class SearchRobot extends CoreRobot {
   Future<void> tapBackButton() async {
     await $(#search_email_back_button).tap();
   }
+
+  Future<void> selectAttachmentFilter() async {
+    await $.scrollUntilVisible(
+      finder: $(#mobile_hasAttachment_search_filter_button),
+      view: $(#search_filter_list_view),
+      scrollDirection: AxisDirection.right,
+      delta: 50,
+    );
+    await $(#mobile_hasAttachment_search_filter_button).tap();
+  }
 }

integration_test/scenarios/search/persist_filter_when_change_search_input_text_scenario.dart

@@ -0,0 +1,63 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/widgets/search_filters/search_filter_button.dart';
+
+import '../../base/base_test_scenario.dart';
+import '../../models/provisioning_email.dart';
+import '../../robots/search_robot.dart';
+import '../../robots/thread_robot.dart';
+
+class PersistFilterWhenChangeSearchInputTextScenario
+    extends BaseTestScenario {
+  const PersistFilterWhenChangeSearchInputTextScenario(super.$);
+
+  @override
+  Future<void> runTestLogic() async {
+    const email = String.fromEnvironment('BASIC_AUTH_EMAIL');
+    const subject = 'Persist search filter';
+    const queryStringFirst = 'Persist';
+    const queryStringSecond = 'Persist search';
+
+    final threadRobot = ThreadRobot($);
+    final searchRobot = SearchRobot($);
+
+    final file = await preparingTxtFile('attachment');
+    await provisionEmail(
+      [
+        ProvisioningEmail(
+          toEmail: email,
+          subject: subject,
+          content: subject,
+          attachmentPaths: [file.path],
+        ),
+      ],
+      requestReadReceipt: false,
+    );
+    await $.pumpAndSettle();
+
+    await threadRobot.tapOnSearchField();
+    await searchRobot.enterKeyword(queryStringFirst);
+    await searchRobot.tapOnShowAllResultsText();
+    await _expectEmailWithSubjectVisible(subject);
+
+    await searchRobot.selectAttachmentFilter();
+    await _expectEmailWithSubjectVisible(subject);
+    _expectAttachmentFilterSelected();
+
+    await searchRobot.enterKeyword(queryStringSecond);
+    await _expectEmailWithSubjectVisible(subject);
+    _expectAttachmentFilterSelected();
+  }
+
+  Future<void> _expectEmailWithSubjectVisible(String subject) async {
+    await expectViewVisible($(find.text(subject)));
+  }
+
+  void _expectAttachmentFilterSelected() {
+    expect(
+      $(#mobile_hasAttachment_search_filter_button)
+          .which<SearchFilterButton>((widget) => widget.isSelected)
+          .visible,
+      true,
+    );
+  }
+}

integration_test/tests/search/persist_filter_when_change_search_input_text_test.dart

@@ -0,0 +1,9 @@
+import '../../base/test_base.dart';
+import '../../scenarios/search/persist_filter_when_change_search_input_text_scenario.dart';
+
+void main() {
+  TestBase().runPatrolTest(
+    description: 'Should see the same email when selecting filter and changing search input text',
+    scenarioBuilder: ($) => PersistFilterWhenChangeSearchInputTextScenario($),
+  );
+}