provider/aws: fix ECS service CheckDestroy in tests

builtin/providers/aws/resource_aws_ecs_service_test.go

@@ -6,6 +6,7 @@ import (
 	"testing"
 
 	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/service/ecs"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
@@ -210,6 +211,10 @@ func testAccCheckAWSEcsServiceDestroy(s *terraform.State) error {
 			Services: []*string{aws.String(rs.Primary.ID)},
 		})
 
+		if awserr, ok := err.(awserr.Error); ok && awserr.Code() == "ClusterNotFoundException" {
+			continue
+		}
+
 		if err == nil {
 			if len(out.Services) > 0 {
 				return fmt.Errorf("ECS service still exists:\n%#v", out.Services)