Merge pull request #2011 from koic/suppress_warning_already_initialized_constant

Suppress `warning: already initialized constant`

Author: koic

spec/spec_helper.rb

@@ -105,14 +105,7 @@ def wait
   end
 end
 
-# TODO: Address these warnings:
-# /path/to/spec/spec_helper.rb:112: warning: already initialized constant ActiveRecord::LogSubscriber::IGNORE_PAYLOAD_NAMES
-# /path/to/rails/activerecord/lib/active_record/log_subscriber.rb:5: warning: previous definition of IGNORE_PAYLOAD_NAMES was here
-module ActiveRecord
-  class LogSubscriber
-    IGNORE_PAYLOAD_NAMES = ["EXPLAIN"]
-  end
-end
+ActiveRecord::LogSubscriber::IGNORE_PAYLOAD_NAMES.replace(["EXPLAIN"])
 
 module SchemaSpecHelper
   def schema_define(&block)