diff --git a/test/integration/fluentd/setting/notes_test.rb b/test/integration/fluentd/setting/notes_test.rb
new file mode 100644
index 0000000..dd9df15
--- /dev/null
+++ b/test/integration/fluentd/setting/notes_test.rb
@@ -0,0 +1,27 @@
+require "test_helper"
+
+class NotesTest < ActionDispatch::IntegrationTest
+  include ConfigHistories::DaemonHaveSomeConfigHistories
+
+  setup do
+    login_with(FactoryBot.build(:user))
+  end
+
+  sub_test_case "update" do
+    setup do
+      visit("/daemon/setting/histories")
+    end
+
+    test "update a content of the first note" do
+      content = "This config file is for ..."
+      within(first("form")) do
+        first(".note-content").set(content)
+        click_button(I18n.t('terms.save'))
+      end
+
+      within(first("form")) do
+        assert_equal(content, first(".note-content").value)
+      end
+    end
+  end
+end