Improve patch application test

src/snapshot/tests/snapshots/apply__set_name_and_class_name-2.snap

@@ -0,0 +1,12 @@
+---
+source: src/snapshot/tests/apply.rs
+expression: applied_patch_value
+---
+removed: []
+added: []
+updated:
+  - id: id-1
+    changed_name: "Hello, world!"
+    changed_class_name: Folder
+    changed_properties: {}
+    changed_metadata: ~

src/snapshot/tests/snapshots/apply__set_name_and_class_name.snap

@@ -1,12 +1,13 @@
 ---
 source: src/snapshot/tests/apply.rs
-expression: applied_patch_value
+expression: tree_value
 ---
-removed: []
-added: []
-updated:
-  - id: id-1
-    changed_name: "Hello, world!"
-    changed_class_name: Folder
-    changed_properties: {}
-    changed_metadata: ~
+id: id-1
+name: "Hello, world!"
+class_name: Folder
+properties: {}
+metadata:
+  ignore_unknown_instances: false
+  source_path: ~
+  project_node: ~
+children: []