diff --git a/apps/figcraft-server/src/server_tests.rs b/apps/figcraft-server/src/server_tests.rs
index 153bb5ab..f60150da 100644
--- a/apps/figcraft-server/src/server_tests.rs
+++ b/apps/figcraft-server/src/server_tests.rs
@@ -261,7 +261,9 @@ fn fuzzed_frames_dont_hurt_the_server() {
                 break;
             }
         }
-        let _ = ws.read();
+        // read() returns Result<Message>, not a lock guard; the fuzz loop ends here on purpose and
+        // the close frame from the server is not interesting.
+        let _ = ws.read(); // NOSONAR
     }
     // Still serving, the file intact.
     let mut b = join(&p.edit, "Bo");
diff --git a/crates/collab-net/src/code_tests.rs b/crates/collab-net/src/code_tests.rs
index 4880242f..7fe766ec 100644
--- a/crates/collab-net/src/code_tests.rs
+++ b/crates/collab-net/src/code_tests.rs
@@ -141,7 +141,9 @@ fn old_server() -> (Endpoint, std::thread::JoinHandle<()>) {
     let t = std::thread::spawn(move || {
         for stream in listener.incoming().take(2).flatten() {
             let Ok(mut ws) = tungstenite::accept(stream) else { continue };
-            let _ = ws.read();
+            // read() returns Result<Message>, not a lock guard; this test server deliberately
+            // ignores whatever the client sent first.
+            let _ = ws.read(); // NOSONAR
             let refused = ServerMsg::Refused { reason: "that message couldn't be read".into() };
             let _ = ws.send(Message::Binary(Bytes::from(message::encode(&refused).unwrap())));
             let _ = ws.close(None);