Fix random CI failure due to non-deterministic has_one record

https://buildkite.com/rails/rails/builds/68645#ebd598f6-fe4c-4273-b1a9-c78055f21874/1016-1027

Author: kamipo

activerecord/test/models/company.rb

@@ -108,7 +108,7 @@ def log_after_remove(record)
 end
 
 class DependentFirm < Company
-  has_one :account, foreign_key: "firm_id", dependent: :nullify
+  has_one :account, -> { order(:id) }, foreign_key: "firm_id", dependent: :nullify
   has_many :companies, foreign_key: "client_of", dependent: :nullify
   has_one :company, foreign_key: "client_of", dependent: :nullify
 end