Don't open 2 channels with same peer in tests

Author: cowlicks

tests/js_interop.rs

@@ -450,25 +450,28 @@ async fn on_replication_connection(
     use tracing::info;
 
     let mut protocol = ProtocolBuilder::new(is_initiator).connect(stream.compat());
+    let mut channel_opened = false;
     while let Some(event) = protocol.next().await {
         let event = event?;
         match event {
             Event::Handshake(_) => {
                 info!("Event::Handshake");
-                if is_initiator {
+                if is_initiator && !channel_opened {
                     protocol.open(*hypercore.key()).await?;
+                    channel_opened = true;
                 }
             }
             Event::DiscoveryKey(dkey) => {
                 info!("Event::DiscoveryKey");
-                if hypercore.discovery_key == dkey {
+                if hypercore.discovery_key == dkey && !channel_opened {
                     protocol.open(*hypercore.key()).await?;
+                    channel_opened = true;
                 } else {
                     panic!("Invalid discovery key");
                 }
             }
             Event::Channel(channel) => {
-                info!("Event::Channel");
+                info!("Event::Channel is_initiator = {is_initiator}");
                 hypercore.on_replication_peer(channel);
             }
             Event::Close(_dkey) => {