E2E test for scheduled Draft feature (#28433)

e2e-tests/playwright/support/ui/pages/channels.ts

@@ -12,6 +12,8 @@ export default class ChannelsPage {
 
     readonly globalHeader;
     readonly centerView;
+    readonly scheduledDraftDropdown;
+    readonly scheduledDraftModal;
     readonly sidebarLeft;
     readonly sidebarRight;
     readonly appBar;
@@ -20,6 +22,7 @@ export default class ChannelsPage {
     readonly deletePostModal;
     readonly settingsModal;
 
+    readonly postContainer;
     readonly postDotMenu;
     readonly postReminderMenu;
 
@@ -46,21 +49,30 @@ export default class ChannelsPage {
 
         // Popovers
         this.emojiGifPickerPopup = new components.EmojiGifPicker(page.locator('#emojiGifPicker'));
+        this.scheduledDraftDropdown = new components.ScheduledDraftMenu(page.locator('#dropdown_send_post_options'));
+        this.scheduledDraftModal = new components.ScheduledDraftModal(page.locator('div.modal-content'));
+
+        // Posts
+        this.postContainer = page.locator('div.post-message__text');
     }
 
     async toBeVisible() {
         await this.centerView.toBeVisible();
     }
 
+    async getLastPost() {
+        return this.postContainer.last();
+    }
+
     async goto(teamName = '', channelName = '') {
         let channelsUrl = '/';
         if (teamName) {
             channelsUrl += `${teamName}`;
             if (channelName) {
-                channelsUrl += `/${channelName}`;
+                const prefix = channelName.startsWith('@') ? '/messages' : '';
+                channelsUrl += `${prefix}/${channelName}`;
             }
         }
-
         await this.page.goto(channelsUrl);
     }
 }