fix tests

packages/@aws-cdk/aws-scheduler-targets-alpha/lib/target.ts

@@ -114,12 +114,12 @@ export abstract class ScheduleTargetBase {
       conditions: {
         StringEquals: {
           'aws:SourceAccount': schedule.env.account,
-          'aws:SourceArn': schedule.group?.groupArn ?? Stack.of(schedule).formatArn({
+          'aws:SourceArn': schedule.scheduleGroup?.scheduleGroupArn ?? schedule.group?.groupArn ?? Stack.of(schedule).formatArn({
             service: 'scheduler',
             resource: 'schedule-group',
             region: schedule.env.region,
             account: schedule.env.account,
-            resourceName: schedule.group?.groupName ?? 'default',
+            resourceName: schedule.scheduleGroup?.scheduleGroupName ?? schedule.group?.groupName ?? 'default',
           }),
         },
       },

packages/@aws-cdk/aws-scheduler-targets-alpha/test/universal.test.ts

@@ -312,7 +312,7 @@ describe('Universal schedule target', () => {
                 'aws:SourceAccount': '123456789012',
                 'aws:SourceArn': {
                   'Fn::GetAtt': [
-                    'GroupC77FDACD',
+                    'ScheduleGroup4D377372',
                     'Arn',
                   ],
                 },