Fix keys seed

config/initializers/forbid_sidekiq_in_transactions.rb

 module Sidekiq
   module Worker
-    mattr_accessor :inside_after_commit
-    self.inside_after_commit = false
+    mattr_accessor :skip_transaction_check
+    self.skip_transaction_check = false
+
+    def self.skipping_transaction_check(&block)
+      skip_transaction_check = self.skip_transaction_check
+      self.skip_transaction_check = true
+      yield
+    ensure
+      self.skip_transaction_check = skip_transaction_check
+    end
     module ClassMethods
       module NoSchedulingFromTransactions
@@ -9,7 +17,7 @@ module Sidekiq
         %i(perform_async perform_at perform_in).each do |name|
           define_method(name) do |*args|
-            return super(*args) if Sidekiq::Worker.inside_after_commit
+            return super(*args) if Sidekiq::Worker.skip_transaction_check
             return super(*args) unless ActiveRecord::Base.connection.open_transactions > NESTING
             raise <<-MSG.strip_heredoc
@@ -30,16 +38,12 @@ end
 module ActiveRecord
   class Base
-    module InsideAfterCommit
+    module SkipTransactionCheckAfterCommit
       def committed!(*)
-        inside_after_commit = Sidekiq::Worker.inside_after_commit
-        Sidekiq::Worker.inside_after_commit = true
-        super
-      ensure
-        Sidekiq::Worker.inside_after_commit = inside_after_commit
+        Sidekiq::Worker.skipping_transaction_check { super }
       end
     end
-    prepend InsideAfterCommit
+    prepend SkipTransactionCheckAfterCommit
   end
 end

db/fixtures/development/11_keys.rb

 require './spec/support/sidekiq'
+
 # Creating keys runs a gitlab-shell worker. Since we may not have the right
 # gitlab-shell path set (yet) we need to disable this for these fixtures.
 Sidekiq::Testing.disable! do
   Gitlab::Seeder.quiet do
+    # We want to run `add_to_shell` immediately instead of after the commit, so
+    # that it falls under `Sidekiq::Testing.disable!`.
+    Key.skip_callback(:commit, :after, :add_to_shell)
+
     User.first(10).each do |user|
       key = "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAiPWx6WM4lhHNedGfBpPJNPpZ7yKu+dnn1SJejgt#{user.id + 100}6k6YjzGGphH2TUxwKzxcKDKKezwkpfnxPkSMkuEspGRt/aZZ9wa++Oi7Qkr8prgHc4soW6NUlfDzpvZK2H5E7eQaSeP3SAwGmQKUFHCddNaP0L+hM7zhFNzjFvpaMgJw0="
-      user.keys.create(
+      key = user.keys.create(
         title: "Sample key #{user.id}",
         key: key
       )
+      Sidekiq::Worker.skipping_transaction_check do
+        key.add_to_shell
+      end
+
       print '.'
     end
   end