Fix leaky constant in cache headers spec and issues importer spec

.rubocop.yml

@@ -361,8 +361,6 @@ RSpec/LeakyConstantDeclaration:
     - 'spec/lib/gitlab/git/diff_collection_spec.rb'
     - 'spec/lib/gitlab/import_export/import_test_coverage_spec.rb'
     - 'spec/lib/gitlab/import_export/project/relation_factory_spec.rb'
-    - 'spec/lib/gitlab/jira_import/issues_importer_spec.rb'
-    - 'spec/lib/gitlab/no_cache_headers_spec.rb'
     - 'spec/lib/gitlab/path_regex_spec.rb'
     - 'spec/lib/gitlab/quick_actions/dsl_spec.rb'
     - 'spec/lib/gitlab/sidekiq_middleware/server_metrics_spec.rb'

changelogs/unreleased/leaky-constant-fix-32.yml

+---
+title: Fix leaky constant issue importer and cache headers spec
+merge_request: 32122
+author: Rajendra Kadam
+type: fixed

spec/lib/gitlab/jira_import/issues_importer_spec.rb

@@ -39,8 +39,8 @@ describe Gitlab::JiraImport::IssuesImporter do
     end
 
     context 'with results returned' do
-      JiraIssue = Struct.new(:id)
-      let_it_be(:jira_issues) { [JiraIssue.new(1), JiraIssue.new(2)] }
+      jira_issue = Struct.new(:id)
+      let_it_be(:jira_issues) { [jira_issue.new(1), jira_issue.new(2)] }
 
       def mock_issue_serializer(count)
         serializer = instance_double(Gitlab::JiraImport::IssueSerializer, execute: { key: 'data' })

spec/lib/gitlab/no_cache_headers_spec.rb

@@ -3,8 +3,11 @@
 require 'spec_helper'
 
 describe Gitlab::NoCacheHeaders do
-  class NoCacheTester
-    include Gitlab::NoCacheHeaders
+  before do
+    stub_const('NoCacheTester', Class.new)
+    NoCacheTester.class_eval do
+      include Gitlab::NoCacheHeaders
+    end
   end
 
   describe "#no_cache_headers" do