rpc: increase timeout in TestClientWebsocketPing (#28371)

rpc/websocket_test.go

@@ -215,7 +215,7 @@ func TestClientWebsocketPing(t *testing.T) {
 	var (
 		sendPing    = make(chan struct{})
 		server      = wsPingTestServer(t, sendPing)
-		ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
+		ctx, cancel = context.WithTimeout(context.Background(), 2*time.Second)
 	)
 	defer cancel()
 	defer server.Shutdown(ctx)