huskies: merge 1175 bug Flaky tests intermittently fail merge gates

2026-07-16 13:03:05 +00:00
parent 6a1ee8377d
commit 6f8a8ffd87
4 changed files with 48 additions and 4 deletions
@@ -89,7 +89,15 @@ mod tests {

    #[test]
    fn find_free_port_returns_bindable_port() {
-        let port = find_free_port(3100);
+        // Scan from an OS-assigned ephemeral port rather than a hardcoded low
+        // port. Fixed ports like 3100 are also used as scan starts elsewhere
+        // in production code and tests, so a second, independent bind on a
+        // fixed port can race against those under parallel test execution.
+        let reservation = std::net::TcpListener::bind(("127.0.0.1", 0)).unwrap();
+        let start = reservation.local_addr().unwrap().port();
+        drop(reservation);
+
+        let port = find_free_port(start);
        // The returned port must be bindable.
        assert!(
            std::net::TcpListener::bind(("127.0.0.1", port)).is_ok(),