add support for notifications of type 'warning'

web/static/tests/ui/__snapshots__/notification.test.ts.snap

@@ -1,9 +1,23 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`can be rendered 1`] = `
-"<div class=\\"o_notification\\">
+exports[`can be rendered (type = warning) 1`] = `
+"<div class=\\"o_notification o_error\\">
     
     <div class=\\"o_notification_title\\">
+      <span class=\\"o_icon fa fa-3x fa-exclamation\\" role=\\"img\\" aria-label=\\"Notification title\\" title=\\"Notification title\\"></span>
+      title
+    </div>
+    <div class=\\"o_notification_content\\">
+      message
+    </div>
+  </div>"
+`;
+
+exports[`can be rendered 1`] = `
+"<div class=\\"o_notification\\">
+    
+    <div class=\\"o_notification_title\\">
+      <span class=\\"o_icon fa fa-3x fa-lightbulb\\" role=\\"img\\" aria-label=\\"Notification title\\" title=\\"Notification title\\"></span>
       title
     </div>
     <div class=\\"o_notification_content\\">

web/static/tests/ui/__snapshots__/root.test.ts.snap

@@ -75,6 +75,7 @@ exports[`if url has action_id, will render action and navigate to proper menu_id
     </div>
     <button>Add notif</button>
     <button>Add sticky notif</button>
+    <button>Add warning</button>
   </div></div>
     <div class=\\"o_notification_container\\">
       
@@ -124,6 +125,7 @@ exports[`start with no action => clicks on client action => discuss is rendered
     </div>
     <button>Add notif</button>
     <button>Add sticky notif</button>
+    <button>Add warning</button>
   </div></div>
     <div class=\\"o_notification_container\\">
       

web/static/tests/ui/notification.test.ts

@@ -49,6 +49,17 @@ test("can be rendered", async () => {
   expect(fixture.innerHTML).toMatchSnapshot();
 });
 
+test("can be rendered (type = warning)", async () => {
+  const notif = makeNotification({
+    title: "title",
+    message: "message",
+    type: "warning"
+  });
+  const navbar = new Notification(env, notif);
+  await navbar.mount(fixture);
+  expect(fixture.innerHTML).toMatchSnapshot();
+});
+
 test("can be closed by clicking on it (if sticky)", async () => {
   env.addNotification({
     title: "title",