fix(ui_auth): use capitalized cancel label on dialogs

packages/firebase_ui_auth/lib/src/navigation/authentication.dart

@@ -65,7 +65,7 @@ Future<void> showDifferentMethodSignInDialog({
   await showGeneralDialog(
     context: context,
     barrierDismissible: true,
-    barrierLabel: l.cancelLabel,
+    barrierLabel: l.cancelButtonLabel,
     pageBuilder: (context, _, __) => DifferentMethodSignInDialog(
       availableProviders: availableProviders,
       providers: providers,

packages/firebase_ui_auth/lib/src/widgets/reauthenticate_dialog.dart

@@ -87,7 +87,7 @@ class ReauthenticateDialog extends StatelessWidget {
                       top: verticalPadding.top,
                     ),
                     child: UniversalButton(
-                      text: l.cancelLabel,
+                      text: l.cancelButtonLabel,
                       variant: ButtonVariant.text,
                       onPressed: () => Navigator.of(context).pop(),
                     ),

packages/firebase_ui_auth/test/test_utils.dart

@@ -25,7 +25,19 @@ class TestMaterialApp extends StatelessWidget {
 
 class MockCredential extends Mock implements UserCredential {}
 
+class MockUserInfo extends Mock implements UserInfo {
+  @override
+  final String providerId;
+
+  MockUserInfo({required this.providerId});
+}
+
 class MockUser extends Mock implements User {
+  @override
+  final List<UserInfo> providerData;
+
+  MockUser({this.providerData = const []});
+
   @override
   Future<UserCredential> linkWithCredential(AuthCredential? credential) async {
     return super.noSuchMethod(

packages/firebase_ui_auth/test/widgets/dialogs_test.dart

@@ -0,0 +1,53 @@
+// Copyright 2023, the Chromium project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:firebase_ui_auth/firebase_ui_auth.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import '../test_utils.dart';
+
+void main() {
+  final auth = MockAuth();
+  auth.user = MockUser(providerData: [
+    MockUserInfo(providerId: 'email'),
+    MockUserInfo(providerId: 'phone'),
+  ]);
+
+  group('$ReauthenticateDialog', () {
+    testWidgets('has capitalized Cancel label', (tester) async {
+      await tester.pumpWidget(
+        TestMaterialApp(
+          child: ReauthenticateDialog(
+            auth: auth,
+            providers: [
+              EmailAuthProvider(),
+              PhoneAuthProvider(),
+            ],
+          ),
+        ),
+      );
+
+      expect(find.text('Cancel'), findsOneWidget);
+    });
+  });
+
+  group('$DifferentMethodSignInDialog', () {
+    testWidgets('has capitalized Cancel label', (tester) async {
+      await tester.pumpWidget(
+        TestMaterialApp(
+          child: DifferentMethodSignInDialog(
+            auth: auth,
+            availableProviders: const ['email', 'phone'],
+            providers: [
+              EmailAuthProvider(),
+              PhoneAuthProvider(),
+            ],
+          ),
+        ),
+      );
+
+      expect(find.text('Cancel'), findsOneWidget);
+    });
+  });
+}

packages/firebase_ui_oauth/lib/src/oauth_provider_button_base.dart

@@ -345,7 +345,7 @@ class _OAuthProviderButtonBaseState extends State<OAuthProviderButtonBase>
 
   @override
   void onError(Object error) {
-    setState(() {
+    safeSetState(() {
       isLoading = false;
     });
 

tests/integration_test/firebase_ui_auth/layout_test.dart

@@ -42,7 +42,7 @@ void main() {
         // Test will fail if there is an overflow.
         // This is a built-in flutter functionality
 
-        await tester.tap(find.text('cancel'));
+        await tester.tap(find.text('Cancel'));
         await tester.pumpAndSettle();
       },
     );