diff --git a/test/chronoscope/nts/client_test.exs b/test/chronoscope/nts/client_test.exs
index f092704..b478248 100644
--- a/test/chronoscope/nts/client_test.exs
+++ b/test/chronoscope/nts/client_test.exs
@@ -38,6 +38,23 @@ defmodule Chronoscope.NTS.ClientTest do
       assert Client.handle_call(:list, nil, %{state: true}) == {:reply, %{state: true}, %{state: true}}
     end
 
+    test ":auto_refresh" do
+      assert {:reply, :ok, %{server: true, timer: _timer}} = Client.handle_call(:auto_refresh, nil, %{server: true})
+    end
+
+    test ":auto_refresh - already activated" do
+      assert Client.handle_call(:auto_refresh, nil, %{server: true, timer: true}) ==
+               {:reply, :already_started, %{server: true, timer: true}}
+    end
+
+    test ":cancel_auto_refresh" do
+      assert Client.handle_call(:cancel_auto_refresh, nil, %{server: true, timer: true}) == {:reply, :ok, %{server: true}}
+    end
+
+    test ":cancel_auto_refresh - already cancelled" do
+      assert Client.handle_call(:cancel_auto_refresh, nil, %{server: true}) == {:reply, :already_cancelled, %{server: true}}
+    end
+
     test ":key_establishment - cached" do
       assert Client.handle_call(:key_establishment, nil, %{
                server: %{host: "localhost", port: 3333},