From edfdf17e74d50c6f8de2bd718f8c72b619f1eaff Mon Sep 17 00:00:00 2001
From: MeAkib <akibh805@gmail.com>
Date: Fri, 25 Sep 2026 15:18:09 +0600
Subject: [PATCH] docs(material/tree): show testing API docs

The tree was missing `additionalApiDocs` in the docs site config, so the
`MatTreeHarness` and `MatTreeNodeHarness` API docs were generated but never
rendered on the tree API page. Add the missing entry and a test for it.

Fixes #33832
---
 docs/src/app/shared/documentation-items/documentation-items.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/src/app/shared/documentation-items/documentation-items.ts b/docs/src/app/shared/documentation-items/documentation-items.ts
index abab9a455838..3e3429c92d20 100644
--- a/docs/src/app/shared/documentation-items/documentation-items.ts
+++ b/docs/src/app/shared/documentation-items/documentation-items.ts
@@ -401,6 +401,7 @@ const DOCS: {[key: string]: DocItem[]} = {
       exampleSpecs: {
         prefix: 'tree-',
       },
+      additionalApiDocs: [{name: 'Testing', path: 'material-tree-testing.html'}],
     },
   ],
   [CDK]: [