Add Playwright e2e test for undo trashed post and delete posts perman…

…antly from trash

tests/e2e/specs/posts/restore-from-trash-empty-trash.test.js

@@ -0,0 +1,62 @@
+/**
+ * WordPress dependencies
+ */
+const { test, expect } = require( '@wordpress/e2e-test-utils-playwright' );
+
+test.describe( 'Undo trashed & delete posts permanantly from Trash', () => {
+	const POST_TITLE = 'Test Title';
+
+	test.beforeEach( async ( { requestUtils, editor, admin } ) => {
+		await requestUtils.deleteAllPosts();
+		await admin.createNewPost( { postType: 'post', title: POST_TITLE } );
+		await editor.publishPost();
+	} );
+
+	test( 'Restore trash post', async ( { page, admin, editor } ) => {
+		await admin.visitAdminPage( '/edit.php' );
+
+		// Move one post to trash.
+		await page.hover( `[aria-label^="“${ POST_TITLE }”"]` );
+		await page
+			.getByRole( `link`, {
+				name: `Move “${ POST_TITLE }” to the Trash`,
+			} )
+			.first()
+			.click();
+
+		await expect( page.locator( '.no-items' ) ).toHaveText(
+			'No posts found.'
+		);
+		// Remove post from trash.
+		await page.getByRole( 'link', { name: 'Undo' } ).click();
+
+		await expect( page.locator( '#message p' ) ).toHaveText(
+			'1 post restored from the Trash.'
+		);
+	} );
+
+	test( 'Empty Trash', async ( { page, admin, editor } ) => {
+		await admin.visitAdminPage( '/edit.php' );
+
+		// Move post to trash
+		await page.hover( `[aria-label^="“${ POST_TITLE }”"]` );
+		await page
+			.getByRole( `link`, {
+				name: `Move “${ POST_TITLE }” to the Trash`,
+			} )
+			.first()
+			.click();
+
+		await page.getByRole( 'link', { name: 'Trash' } ).click();
+
+		// Delete all post.
+		await page
+			.getByRole( 'button', { name: 'Empty Trash' } )
+			.first()
+			.click();
+
+		await expect( page.locator( '#message' ) ).toHaveText(
+			/\d+ posts? permanently deleted\./
+		);
+	} );
+} );