TF-4367 Remove the duplicated closeEmailDetailedView helper from this mixin.

integration_test/mixin/generate_email_scenario_mixin.dart

@@ -2,7 +2,6 @@ import 'package:flutter_test/flutter_test.dart';
 
 import '../base/base_scenario.dart';
 import '../models/provisioning_email.dart';
-import '../robots/email_robot.dart';
 import 'scenario_utils_mixin.dart';
 
 mixin GenerateEmailScenarioMixin on BaseScenario, ScenarioUtilsMixin {
@@ -22,8 +21,4 @@ mixin GenerateEmailScenarioMixin on BaseScenario, ScenarioUtilsMixin {
     );
     await $.pumpAndTrySettle();
   }
-
-  Future<void> closeEmailDetailedView({required EmailRobot emailRobot}) async {
-    await emailRobot.onTapBackButton();
-  }
 }

integration_test/scenarios/email_detailed/forward_email_forwarded_when_change_language_scenario.dart

@@ -86,10 +86,7 @@ class ForwardEmailForwardedWhenChangeLanguageScenario extends BaseTestScenario
     await composerRobot.grantContactPermission();
     await $.pumpAndTrySettle();
 
-    await _expectComposerSubjectIsNotChanged(
-      appLocalizations: appLocalizations,
-      subject: subject,
-    );
+    await _expectComposerSubjectIsNotChanged(subject: subject);
   }
 
   Future<void> _expectEmailViewVisible() async {
@@ -105,7 +102,6 @@ class ForwardEmailForwardedWhenChangeLanguageScenario extends BaseTestScenario
   }
 
   Future<void> _expectComposerSubjectIsNotChanged({
-    required AppLocalizations appLocalizations,
     required String subject,
   }) async {
     expect(

integration_test/scenarios/email_detailed/reply_email_replied_when_change_language_scenario.dart

@@ -86,10 +86,7 @@ class ReplyEmailRepliedWhenChangeLanguageScenario extends BaseTestScenario
     await composerRobot.grantContactPermission();
     await $.pumpAndTrySettle();
 
-    await _expectComposerSubjectIsNotChanged(
-      appLocalizations: appLocalizations,
-      subject: subject,
-    );
+    await _expectComposerSubjectIsNotChanged(subject: subject);
   }
 
   Future<void> _expectEmailViewVisible() async {
@@ -105,7 +102,6 @@ class ReplyEmailRepliedWhenChangeLanguageScenario extends BaseTestScenario
   }
 
   Future<void> _expectComposerSubjectIsNotChanged({
-    required AppLocalizations appLocalizations,
     required String subject,
   }) async {
     expect(

integration_test/tests/email_detailed/forward_email_when_change_language_test.dart

@@ -4,7 +4,7 @@ import '../../scenarios/email_detailed/forward_email_when_change_language_scenar
 void main() {
   TestBase().runPatrolTest(
     description:
-        'The forward prefix should be displayed correctly when forwarding to an email.',
+        'The forward prefix should be displayed correctly when forwarding an email.',
     scenarioBuilder: ($) => ForwardEmailWhenChangeLanguageScenario($),
   );
 }