abitest: fix comment in example
Writing to a channel that has no readers results in ERR_CHANNEL_CLOSED.
@@ -470,8 +470,7 @@ impl FrontendNode {
// Close the only read handle for the channel.
expect_eq!(OakStatus::OK, oak::channel_close(in_channel.handle));
- // Can still write to the channel, even though it's not possible to get
- // the message back.
+ // There's no way to read from the channel, so writing fails.
expect_eq!(
OakStatus::ERR_CHANNEL_CLOSED,
oak::channel_write(out_channel, &data, &[])
