diff --git a/flutter_local_notifications/test/android_flutter_local_notifications_test.dart b/flutter_local_notifications/test/android_flutter_local_notifications_test.dart
index 0aa59f2ea..235a6913a 100644
--- a/flutter_local_notifications/test/android_flutter_local_notifications_test.dart
+++ b/flutter_local_notifications/test/android_flutter_local_notifications_test.dart
@@ -1955,6 +1955,7 @@ void main() {
               'payload': '',
               'timeZoneName': 'Australia/Sydney',
               'scheduledDateTime': convertDateToISO8601String(scheduledDate),
+              'scheduledDateTimeISO8601': scheduledDate.toIso8601String(),
               'platformSpecifics': <String, Object?>{
                 'scheduleMode': 'exactAllowWhileIdle',
                 'icon': null,
@@ -2049,6 +2050,7 @@ void main() {
               'payload': '',
               'timeZoneName': 'Australia/Sydney',
               'scheduledDateTime': convertDateToISO8601String(scheduledDate),
+              'scheduledDateTimeISO8601': scheduledDate.toIso8601String(),
               'matchDateTimeComponents': DateTimeComponents.time.index,
               'platformSpecifics': <String, Object?>{
                 'scheduleMode': 'exactAllowWhileIdle',
@@ -2144,6 +2146,7 @@ void main() {
               'payload': '',
               'timeZoneName': 'Australia/Sydney',
               'scheduledDateTime': convertDateToISO8601String(scheduledDate),
+              'scheduledDateTimeISO8601': scheduledDate.toIso8601String(),
               'matchDateTimeComponents':
                   DateTimeComponents.dayOfWeekAndTime.index,
               'platformSpecifics': <String, Object?>{
diff --git a/flutter_local_notifications/test/ios_flutter_local_notifications_test.dart b/flutter_local_notifications/test/ios_flutter_local_notifications_test.dart
index a78962fb1..4fa354ce7 100644
--- a/flutter_local_notifications/test/ios_flutter_local_notifications_test.dart
+++ b/flutter_local_notifications/test/ios_flutter_local_notifications_test.dart
@@ -374,6 +374,7 @@ void main() {
               'uiLocalNotificationDateInterpretation':
                   UILocalNotificationDateInterpretation.absoluteTime.index,
               'scheduledDateTime': convertDateToISO8601String(scheduledDate),
+              'scheduledDateTimeISO8601': scheduledDate.toIso8601String(),
               'timeZoneName': 'Australia/Sydney',
               'platformSpecifics': <String, Object?>{
                 'presentAlert': true,
@@ -441,6 +442,7 @@ void main() {
               'uiLocalNotificationDateInterpretation':
                   UILocalNotificationDateInterpretation.absoluteTime.index,
               'scheduledDateTime': convertDateToISO8601String(scheduledDate),
+              'scheduledDateTimeISO8601': scheduledDate.toIso8601String(),
               'timeZoneName': 'Australia/Sydney',
               'matchDateTimeComponents': DateTimeComponents.time.index,
               'platformSpecifics': <String, Object?>{
@@ -509,6 +511,7 @@ void main() {
               'uiLocalNotificationDateInterpretation':
                   UILocalNotificationDateInterpretation.absoluteTime.index,
               'scheduledDateTime': convertDateToISO8601String(scheduledDate),
+              'scheduledDateTimeISO8601': scheduledDate.toIso8601String(),
               'timeZoneName': 'Australia/Sydney',
               'matchDateTimeComponents':
                   DateTimeComponents.dayOfWeekAndTime.index,
diff --git a/flutter_local_notifications/test/macos_flutter_local_notifications_test.dart b/flutter_local_notifications/test/macos_flutter_local_notifications_test.dart
index 7476e08e3..5caa9a095 100644
--- a/flutter_local_notifications/test/macos_flutter_local_notifications_test.dart
+++ b/flutter_local_notifications/test/macos_flutter_local_notifications_test.dart
@@ -283,6 +283,7 @@ void main() {
               'body': 'notification body',
               'payload': '',
               'scheduledDateTime': convertDateToISO8601String(scheduledDate),
+              'scheduledDateTimeISO8601': scheduledDate.toIso8601String(),
               'timeZoneName': 'Australia/Sydney',
               'platformSpecifics': <String, Object?>{
                 'subtitle': null,
@@ -353,6 +354,7 @@ void main() {
               'body': 'notification body',
               'payload': '',
               'scheduledDateTime': convertDateToISO8601String(scheduledDate),
+              'scheduledDateTimeISO8601': scheduledDate.toIso8601String(),
               'timeZoneName': 'Australia/Sydney',
               'matchDateTimeComponents': DateTimeComponents.time.index,
               'platformSpecifics': <String, Object?>{
@@ -426,6 +428,7 @@ void main() {
               'body': 'notification body',
               'payload': '',
               'scheduledDateTime': convertDateToISO8601String(scheduledDate),
+              'scheduledDateTimeISO8601': scheduledDate.toIso8601String(),
               'timeZoneName': 'Australia/Sydney',
               'matchDateTimeComponents':
                   DateTimeComponents.dayOfWeekAndTime.index,