Contributes to https://gitlab.com/gitlab-org/gitlab/-/issues/325744

.rubocop_manual_todo.yml

@@ -2681,7 +2681,6 @@ Performance/OpenStruct:
     - 'ee/lib/gitlab/graphql/aggregations/epics/epic_node.rb'
     - 'lib/api/wikis.rb'
     - 'lib/gitlab/ci/ansi2html.rb'
-    - 'lib/gitlab/ci/reports/test_suite_comparer.rb'
     - 'lib/gitlab/git/diff_collection.rb'
     - 'lib/gitlab/import_export/after_export_strategies/base_after_export_strategy.rb'
     - 'lib/gitlab/testing/request_inspector_middleware.rb'

changelogs/unreleased/rubocop-performance-openstruct-ci-reports-test-suite-comparer.yml

+---
+title: Contributes to https://gitlab.com/gitlab-org/gitlab/-/issues/325744
+merge_request: 60086
+author: Amit Patel @amit.savani
+type: performance

lib/gitlab/ci/reports/test_suite_comparer.rb

@@ -85,12 +85,14 @@ module Gitlab
           new_errors.count + existing_errors.count
         end
 
+        TestSummary = Struct.new(:new_failures, :existing_failures, :resolved_failures, :new_errors, :existing_errors, :resolved_errors, keyword_init: true)
+
         # This is used to limit the presented test cases but does not affect
         # total count of tests in the summary
         def limited_tests
           strong_memoize(:limited_tests) do
             # rubocop: disable CodeReuse/ActiveRecord
-            OpenStruct.new(
+            TestSummary.new(
               new_failures: new_failures.take(max_tests),
               existing_failures: existing_failures.take(max_tests(new_failures)),
               resolved_failures: resolved_failures.take(max_tests(new_failures, existing_failures)),