[Rust Frontend] Fix mock engine test shutdown race (#48738)

Signed-off-by: reidliu41 <reid201711@gmail.com>

Reid committed Jul 16, 2026 at 15:27 UTC dc9f845ddc54c1df38fdbce5afe03f9fd15813bd
1 file changed +1 -1
rust/src/mock-engine/src/tests.rs
+1 -1
@@ -90,8 +90,8 @@ async fn shutdown_mock(
90 shutdown: CancellationToken,
91 task: tokio::task::JoinHandle<Result<()>>,
92 ) {
93 - client.shutdown().await.expect("client shutdown");
93 shutdown.cancel();
94 + client.shutdown().await.expect("client shutdown");
95 task.await.expect("mock join").expect("mock run");
96 }
97