pubsub: skip TestIntegration_CancelReceive

Updates #1666

Change-Id: I29594a8675d1edc417c9b770d40009a0fdc24784
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/48472
Reviewed-by: Jean de Klerk <deklerk@google.com>
diff --git a/pubsub/integration_test.go b/pubsub/integration_test.go
index 8b6785e..f0dba67 100644
--- a/pubsub/integration_test.go
+++ b/pubsub/integration_test.go
@@ -410,6 +410,7 @@
 }
 
 func TestIntegration_CancelReceive(t *testing.T) {
+	t.Skip("https://github.com/googleapis/google-cloud-go/issues/1666")
 	t.Parallel()
 	ctx, cancel := context.WithCancel(context.Background())
 	client := integrationTestClient(ctx, t)