diff --git a/e2e/tests/framework/appActions.e2e.spec.js b/e2e/tests/framework/appActions.e2e.spec.js
index cb8772e274f..e73ec25fe21 100644
--- a/e2e/tests/framework/appActions.e2e.spec.js
+++ b/e2e/tests/framework/appActions.e2e.spec.js
@@ -21,7 +21,7 @@
  *****************************************************************************/
 
 const { test, expect } = require('../../pluginFixtures.js');
-const { createDomainObjectWithDefaults } = require('../../appActions.js');
+const { createDomainObjectWithDefaults, expandEntireTree } = require('../../appActions.js');
 
 test.describe('AppActions', () => {
     test('createDomainObjectsWithDefaults', async ({ page }) => {
@@ -85,4 +85,38 @@ test.describe('AppActions', () => {
             expect(folder3.url).toBe(`${e2eFolder.url}/${folder1.uuid}/${folder2.uuid}/${folder3.uuid}`);
         });
     });
+    test('expandEntireTree', async ({ page }) => {
+        await page.goto('./', { waitUntil: 'networkidle' });
+
+        const rootFolder = await createDomainObjectWithDefaults(page, {
+            type: 'Folder'
+        });
+
+        const folder1 = await createDomainObjectWithDefaults(page, {
+            type: 'Folder',
+            parent: rootFolder.uuid
+        });
+        await createDomainObjectWithDefaults(page, {
+            type: 'Clock',
+            parent: folder1.uuid
+        });
+        const folder2 = await createDomainObjectWithDefaults(page, {
+            type: 'Folder',
+            parent: folder1.uuid
+        });
+        await createDomainObjectWithDefaults(page, {
+            type: 'Display Layout',
+            parent: folder2.uuid
+        });
+        await createDomainObjectWithDefaults(page, {
+            type: 'Folder',
+            parent: folder2.uuid
+        });
+
+        await expandEntireTree(page);
+        const treePane = page.locator('#tree-pane');
+        const collapsedTreeItems = treePane.locator('role=treeitem[expanded=false]');
+        const count = await collapsedTreeItems.count();
+        expect(count).toBe(0);
+    });
 });