Merge pull request rails#49030 from fatkodima/optimize-ar-tests

Speedup activerecord tests

Author: rafaelfranca

activerecord/test/cases/query_cache_test.rb

@@ -584,6 +584,8 @@ def test_query_caching_is_local_to_the_current_thread
       Thread.new {
         assert_not ActiveRecord::Base.connection_pool.query_cache_enabled
         assert_not ActiveRecord::Base.connection.query_cache_enabled
+
+        ActiveRecord::Base.connection_handler.clear_active_connections!(:all)
       }.join
     }.call({})
   end

activerecord/test/support/connection.rb

@@ -21,7 +21,13 @@ def self.test_configuration_hashes
   def self.connect
     ActiveRecord.async_query_executor = :global_thread_pool
     puts "Using #{connection_name}"
-    ActiveRecord::Base.logger = ActiveSupport::Logger.new("debug.log", 1, 100 * 1024 * 1024)
+
+    if ENV["CI"]
+      ActiveRecord::Base.logger = nil
+    else
+      ActiveRecord::Base.logger = ActiveSupport::Logger.new("debug.log", 1, 100.megabytes)
+    end
+
     ActiveRecord::Base.configurations = test_configuration_hashes
     ActiveRecord::Base.establish_connection :arunit
     ARUnit2Model.establish_connection :arunit2