cattr_accessor removed from IssueObserver and MergeRequestObserver but not updated in fixtures

db/fixtures/development/09_issues.rb

@@ -11,7 +11,7 @@ Gitlab::Seeder.quiet do
     next unless user
     user_id = user.id
-    IssueObserver.current_user = user
+    Thread.current[:current_user] = user
     Issue.seed(:id, [{
       id: i,

db/fixtures/development/10_merge_requests.rb

@@ -17,7 +17,8 @@ Gitlab::Seeder.quiet do
     next if branches.uniq.size < 2
     user_id = user.id
-    MergeRequestObserver.current_user = user
+    Thread.current[:current_user] = user
+
     MergeRequest.seed(:id, [{
       id: i,
       source_branch: branches.first,