Un-skip inspector test case  (#8585)

packages/devtools_app/test/inspector_v2/inspector_integration_test.dart

diff --git a/packages/devtools_app/test/inspector_v2/inspector_integration_test.dart b/packages/devtools_app/test/inspector_v2/inspector_integration_test.dart
index 8e75546..96b06e8 100644
--- a/packages/devtools_app/test/inspector_v2/inspector_integration_test.dart
+++ b/packages/devtools_app/test/inspector_v2/inspector_integration_test.dart
@@ -338,6 +338,10 @@
         'textPreview',
         'children',
         'createdByLocalProject',
+        // TODO(elliette): Once we update to the Flutter version with
+        // https://github.com/flutter/flutter/pull/159701, this should be
+        // deleted.
+        'truncated',
       ];
       const extraneousDetailsForTreeNode = [
         'creationLocation',
@@ -377,8 +381,6 @@
         );
       }
     },
-    // TODO(https://github.com/flutter/devtools/issues/8582): re-enable.
-    skip: true,
   );
 
   group('widget errors', () {