Privatize unneededly protected methods in Railties tests

Author: amatsuda

railties/test/application/loading_test.rb

@@ -357,7 +357,7 @@ def test_initialize_can_be_called_at_any_time
     assert Rails.application.initialized?
   end
 
-  protected
+  private
 
     def setup_ar!
       ActiveRecord::Base.establish_connection(adapter: "sqlite3", database: ":memory:")

railties/test/generators/actions_test.rb

@@ -369,7 +369,7 @@ def test_log_with_status_with_quiet
     assert_equal("", action(:log, :yes, "YES"))
   end
 
-  protected
+  private
 
     def action(*args, &block)
       capture(:stdout) { generator.send(*args, &block) }

railties/test/generators/app_generator_test.rb

@@ -788,7 +788,7 @@ def test_after_bundle_callback
     assert_equal 3, @sequence_step
   end
 
-  protected
+  private
 
     def stub_rails_application(root)
       Rails.application.config.root = root

railties/test/generators/named_base_test.rb

@@ -131,7 +131,7 @@ def test_scaffold_plural_names_with_model_name_option
     assert_name g, "admin.foos",  :controller_i18n_scope
   end
 
-  protected
+  private
 
     def assert_name(generator, value, method)
       assert_equal value, generator.send(method)

railties/test/generators/plugin_generator_test.rb

@@ -714,7 +714,7 @@ def test_generate_application_job_when_does_not_exist_in_mountable_engine
     end
   end
 
-  protected
+  private
 
     def action(*args, &block)
       silence(:stdout) { generator.send(*args, &block) }

railties/test/rails_info_test.rb

@@ -54,7 +54,7 @@ def test_html_includes_middleware
     end
   end
 
-  protected
+  private
     def properties
       Rails::Info.properties
     end