fix: resolve test problems

Author: Hayden Young

packages/aws-cdk-lib/aws-ecs-patterns/test/fargate/load-balanced-fargate-service-v2.test.ts

@@ -161,6 +161,7 @@ describe('Application Load Balancer', () => {
           image: ecs.ContainerImage.fromRegistry('test'),
         },
         ipAddressType: IpAddressType.DUAL_STACK,
+        loadBalancer: lb,
         listener,
       });