pubsub: skip TestIntegration_CreateSubscription_NeverExpire

Updates #1637

Change-Id: I8fd479a3333fd0c57c05d58fbfcf41efd33fccc3
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/48891
Reviewed-by: Jean de Klerk <deklerk@google.com>
diff --git a/pubsub/integration_test.go b/pubsub/integration_test.go
index 1c1bd32..309733b 100644
--- a/pubsub/integration_test.go
+++ b/pubsub/integration_test.go
@@ -467,6 +467,7 @@
 }
 
 func TestIntegration_CreateSubscription_NeverExpire(t *testing.T) {
+	t.Skip("https://github.com/googleapis/google-cloud-go/issues/1637")
 	t.Parallel()
 	ctx := context.Background()
 	client := integrationTestClient(ctx, t)