MM-63669 E2E/Playwright: Move "e2e-tests/playwright/test" to "e2e-tests/playwright" folder (#30647)

* move "e2e-tests/playwright/test" to  "e2e-tests/playwright/test" and expose "ensurePluginsLoaded"

* add test setup, and expose ensurePluginsLoaded and ensureServerDeployment to pw

e2e-tests/playwright/specs/functional/channels/drafts/drafts_on_deleted_message.spec.ts

@@ -0,0 +1,125 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import {expect, test} from '@mattermost/playwright-lib';
+
+test('MM-T5435_1 Global Drafts link in sidebar should be hidden when another user deleted root post and user removes the deleted post ', async ({
+    pw,
+}) => {
+    const {adminClient, team, adminUser, user} = await pw.initSetup();
+
+    if (!adminUser) {
+        throw new Error('Failed to create admin user');
+    }
+
+    // # Get the default channel of the team for getting the channel id
+    const channel = await adminClient.getChannelByName(team.id, 'town-square');
+
+    // # Create a post in the channel by admin
+    const adminPost = await adminClient.createPost(
+        pw.random.post({
+            channel_id: channel.id,
+            user_id: adminUser.id,
+        }),
+    );
+
+    // # Log in as user in new browser context
+    const {channelsPage} = await pw.testBrowser.login(user);
+
+    // # Visit default channel page
+    await channelsPage.goto();
+    await channelsPage.toBeVisible();
+
+    const lastPostByAdmin = await channelsPage.centerView.getLastPost();
+    await lastPostByAdmin.toBeVisible();
+
+    // # Open the last post sent by admin in RHS
+    await lastPostByAdmin.hover();
+    await lastPostByAdmin.postMenu.toBeVisible();
+    await lastPostByAdmin.postMenu.reply();
+
+    // # Post a message as a user
+    const sidebarRight = channelsPage.sidebarRight;
+    await sidebarRight.toBeVisible();
+    await sidebarRight.postCreate.postMessage('Replying to a thread');
+
+    // # Write a message in the reply thread but don't send it now so that it becomes a draft
+    const draftMessageByUser = 'I should be in drafts by User';
+    await sidebarRight.postCreate.writeMessage(draftMessageByUser);
+
+    // # Close the RHS for draft to be saved
+    await sidebarRight.close();
+
+    // * Verify drafts link in channel sidebar is visible
+    await channelsPage.sidebarLeft.draftsVisible();
+
+    // # Delete the last post by admin
+    try {
+        await adminClient.deletePost(adminPost.id);
+    } catch (error) {
+        throw new Error(`Failed to delete post by admin: ${error}`);
+    }
+
+    // # Open the last post in the channel sent by admin again
+    await lastPostByAdmin.body.click();
+
+    // * Verify drafts in user's textbox is still visible
+    const rhsTextboxValue = await sidebarRight.postCreate.getInputValue();
+    expect(rhsTextboxValue).toBe(draftMessageByUser);
+
+    // # Click on remove post
+    const deletedPostByAdminInRHS = await sidebarRight.getPostById(adminPost.id);
+    await deletedPostByAdminInRHS.remove();
+
+    // * Verify the drafts links should also be removed from sidebar
+    await channelsPage.sidebarLeft.draftsNotVisible();
+});
+
+test('MM-T5435_2 Global Drafts link in sidebar should be hidden when user deletes root post ', async ({pw}) => {
+    const {user} = await pw.initSetup();
+
+    // # Log in as user in new browser context
+    const {channelsPage} = await pw.testBrowser.login(user);
+
+    // # Visit default channel page
+    await channelsPage.goto();
+    await channelsPage.toBeVisible();
+
+    // # Post a message in the channel
+    await channelsPage.centerView.postCreate.postMessage('Message which will be deleted');
+
+    // # Start a thread by clicking on reply menuitem from post options menu
+    const post = await channelsPage.centerView.getLastPost();
+    await post.hover();
+    await post.postMenu.toBeVisible();
+    await post.postMenu.reply();
+
+    const sidebarRight = channelsPage.sidebarRight;
+    await sidebarRight.toBeVisible();
+
+    // # Post a message in the thread
+    await sidebarRight.postCreate.postMessage('Replying to a thread');
+
+    // # Write a message in the reply thread but don't send it
+    await sidebarRight.postCreate.writeMessage('I should be in drafts');
+
+    // # Close the RHS for draft to be saved
+    await sidebarRight.close();
+
+    // * Verify drafts link in channel sidebar is visible
+    await channelsPage.sidebarLeft.draftsVisible();
+
+    // # Click on the dot menu of the post and select delete
+    await post.hover();
+    await post.postMenu.toBeVisible();
+    await post.postMenu.openDotMenu();
+    await channelsPage.postDotMenu.toBeVisible();
+    await channelsPage.postDotMenu.deleteMenuItem.click();
+
+    // # Confirm the delete from the modal
+    await channelsPage.deletePostModal.toBeVisible();
+    await channelsPage.deletePostModal.confirm();
+
+    // * Verify drafts link in channel sidebar is visible
+    await channelsPage.sidebarLeft.draftsNotVisible();
+});