chore: add tests to main_test file and make some backend changes

Author: khatruong2009

infra-gen2/backends/auth/username-login-mfa/amplify/auth/resource.ts

@@ -4,7 +4,7 @@
 import { defineAuth } from "@aws-amplify/backend";
 
 export const auth = defineAuth({
-  name: "mfa-required-email",
+  name: "mfa-username-login",
   loginWith: {
     phone: true,
   },

packages/auth/amplify_auth_cognito/example/integration_test/main_test.dart

@@ -15,11 +15,19 @@ import 'fetch_auth_session_test.dart' as fetch_auth_session_tests;
 import 'get_current_user_test.dart' as get_current_user_tests;
 import 'hosted_ui_webview_test.dart' as hosted_ui_webview_tests;
 import 'hub_events_test.dart' as hub_events_tests;
+import 'mfa_email_optional_test.dart' as mfa_email_optional_tests;
+import 'mfa_email_required_test.dart' as mfa_email_required_tests;
+import 'mfa_email_totp_optional_test.dart' as mfa_email_totp_optional_tests;
+import 'mfa_email_totp_required_test.dart' as mfa_email_totp_required_tests;
+import 'mfa_sms_email_optional_test.dart' as mfa_sms_email_optional_tests;
+import 'mfa_sms_email_required_test.dart' as mfa_sms_email_required_tests;
 import 'mfa_sms_test.dart' as mfa_sms_tests;
 import 'mfa_sms_totp_optional_test.dart' as mfa_sms_totp_optional_tests;
 import 'mfa_sms_totp_required_test.dart' as mfa_sms_totp_required_tests;
 import 'mfa_totp_optional_test.dart' as mfa_totp_optional_tests;
 import 'mfa_totp_required_test.dart' as mfa_totp_required_tests;
+import 'mfa_username_login_required_test.dart'
+    as mfa_username_login_required_tests;
 import 'native_auth_bridge_test.dart' as native_auth_bridge_tests;
 import 'reset_password_test.dart' as reset_password_tests;
 import 'security_test.dart' as security_tests;
@@ -47,6 +55,13 @@ void main() async {
     get_current_user_tests.main();
     hosted_ui_webview_tests.main();
     hub_events_tests.main();
+    mfa_email_optional_tests.main();
+    mfa_email_required_tests.main();
+    mfa_sms_email_optional_tests.main();
+    mfa_sms_email_required_tests.main();
+    mfa_email_totp_optional_tests.main();
+    mfa_email_totp_required_tests.main();
+    mfa_username_login_required_tests.main();
     mfa_sms_tests.main();
     mfa_sms_totp_optional_tests.main();
     mfa_sms_totp_required_tests.main();