Removed magic comments # encoding: utf-8 , since its default from ruby 2.0 onwards.

actionmailer/test/base_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'set'
 

actionmailer/test/message_delivery_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'active_job'
 require 'minitest/mock'

actionmailer/test/test_helper_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 
 class TestHelperMailer < ActionMailer::Base

actionpack/test/controller/routing_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'controller/fake_controllers'
 require 'active_support/core_ext/object/with_options'

actionpack/test/controller/send_file_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 
 module TestFileUtils

actionpack/test/controller/url_for_integration_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'controller/fake_controllers'
 require 'active_support/core_ext/object/with_options'

actionpack/test/dispatch/request/multipart_params_parsing_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 
 class MultipartParamsParsingTest < ActionDispatch::IntegrationTest

actionpack/test/dispatch/static_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'zlib'
 

actionpack/test/journey/router/utils_test.rb

-# coding: utf-8
 require 'abstract_unit'
 
 module ActionDispatch

actionview/lib/action_view/helpers/number_helper.rb

-# encoding: utf-8
 
 require 'active_support/core_ext/hash/keys'
 require 'active_support/core_ext/string/output_safety'

actionview/test/template/dependency_tracker_test.rb

-# encoding: utf-8
 
 require 'abstract_unit'
 require 'action_view/dependency_tracker'

actionview/test/template/render_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'controller/fake_models'
 

actionview/test/template/streaming_render_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 
 class TestController < ActionController::Base

actionview/test/template/text_helper_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 
 class TextHelperTest < ActionView::TestCase

actionview/test/template/url_helper_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'minitest/mock'
 

activemodel/test/cases/validations/absence_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 require 'models/topic'
 require 'models/person'

activemodel/test/cases/validations/acceptance_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activemodel/test/cases/validations/callbacks_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 class Dog

activemodel/test/cases/validations/conditional_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activemodel/test/cases/validations/confirmation_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activemodel/test/cases/validations/exclusion_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activemodel/test/cases/validations/format_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activemodel/test/cases/validations/i18n_validation_test.rb

-# -*- coding: utf-8 -*-
-
 require "cases/helper"
 require 'models/person'
 

activemodel/test/cases/validations/inclusion_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 require 'active_support/all'
 

activemodel/test/cases/validations/length_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activemodel/test/cases/validations/numericality_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activemodel/test/cases/validations/presence_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activemodel/test/cases/validations/validates_test.rb

-# encoding: utf-8
 require 'cases/helper'
 require 'models/person'
 require 'models/topic'

activemodel/test/cases/validations/validations_context_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activemodel/test/cases/validations/with_validation_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activemodel/test/cases/validations_test.rb

-# encoding: utf-8
 require 'cases/helper'
 
 require 'models/topic'

activerecord/test/cases/adapters/mysql/mysql_adapter_test.rb

-# encoding: utf-8
 
 require "cases/helper"
 require 'support/ddl_helper'

activerecord/test/cases/adapters/postgresql/array_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'support/schema_dumping_helper'
 

activerecord/test/cases/adapters/postgresql/bit_string_test.rb

-# -*- coding: utf-8 -*-
 require "cases/helper"
 require 'support/connection_helper'
 require 'support/schema_dumping_helper'

activerecord/test/cases/adapters/postgresql/bytea_test.rb

-# encoding: utf-8
 require "cases/helper"
 
 class PostgresqlByteaTest < ActiveRecord::TestCase

activerecord/test/cases/adapters/postgresql/citext_test.rb

-# encoding: utf-8
 require 'cases/helper'
 require 'support/schema_dumping_helper'
 

activerecord/test/cases/adapters/postgresql/composite_test.rb

-# -*- coding: utf-8 -*-
 require "cases/helper"
 require 'support/connection_helper'
 

activerecord/test/cases/adapters/postgresql/domain_test.rb

-# -*- coding: utf-8 -*-
 require "cases/helper"
 require 'support/connection_helper'
 

activerecord/test/cases/adapters/postgresql/enum_test.rb

-# -*- coding: utf-8 -*-
 require "cases/helper"
 require 'support/connection_helper'
 

activerecord/test/cases/adapters/postgresql/full_text_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'support/schema_dumping_helper'
 

activerecord/test/cases/adapters/postgresql/geometric_test.rb

-# -*- coding: utf-8 -*-
 require "cases/helper"
 require 'support/connection_helper'
 require 'support/schema_dumping_helper'

activerecord/test/cases/adapters/postgresql/hstore_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'support/schema_dumping_helper'
 

activerecord/test/cases/adapters/postgresql/json_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'support/schema_dumping_helper'
 

activerecord/test/cases/adapters/postgresql/ltree_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'support/schema_dumping_helper'
 

activerecord/test/cases/adapters/postgresql/money_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'support/schema_dumping_helper'
 

activerecord/test/cases/adapters/postgresql/network_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'support/schema_dumping_helper'
 

activerecord/test/cases/adapters/postgresql/postgresql_adapter_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'support/ddl_helper'
 require 'support/connection_helper'

activerecord/test/cases/adapters/postgresql/uuid_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'support/schema_dumping_helper'
 

activerecord/test/cases/adapters/postgresql/xml_test.rb

-# encoding: utf-8
 require 'cases/helper'
 require 'support/schema_dumping_helper'
 

activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'models/owner'
 require 'tempfile'

activerecord/test/cases/adapters/sqlite3/sqlite3_create_folder_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'models/owner'
 

activerecord/test/cases/base_test.rb

-# encoding: utf-8
 
 require "cases/helper"
 require 'active_support/concurrency/latch'

activerecord/test/cases/binary_test.rb

-# encoding: utf-8
 require "cases/helper"
 
 # Without using prepared statements, it makes no sense to test

activerecord/test/cases/integration_test.rb

-# encoding: utf-8
 
 require 'cases/helper'
 require 'models/company'

activerecord/test/cases/validations/length_validation_test.rb

-# -*- coding: utf-8 -*-
 require "cases/helper"
 require 'models/owner'
 require 'models/pet'

activerecord/test/cases/validations/presence_validation_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'models/man'
 require 'models/face'

activerecord/test/cases/validations/uniqueness_validation_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'models/topic'
 require 'models/reply'

activerecord/test/cases/validations_test.rb

-# encoding: utf-8
 require "cases/helper"
 require 'models/topic'
 require 'models/reply'

activerecord/test/schema/schema.rb

-# encoding: utf-8
 
 ActiveRecord::Schema.define do
   def except(adapter_names_to_exclude)

activesupport/lib/active_support/core_ext/string/multibyte.rb

-# encoding: utf-8
 require 'active_support/multibyte'
 
 class String

activesupport/test/core_ext/object/blank_test.rb

-# encoding: utf-8
 
 require 'abstract_unit'
 require 'active_support/core_ext/object/blank'

activesupport/test/core_ext/string_ext_test.rb

-# encoding: utf-8
 require 'date'
 require 'abstract_unit'
 require 'inflector_test_cases'

activesupport/test/core_ext/uri_ext_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'uri'
 require 'active_support/core_ext/uri'

activesupport/test/inflector_test_cases.rb

-# encoding: utf-8
 
 module InflectorTestCases
   SingularToPlural = {

activesupport/test/json/decoding_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'active_support/json'
 require 'active_support/time'

activesupport/test/json/encoding_test.rb

-# encoding: utf-8
 require 'securerandom'
 require 'abstract_unit'
 require 'active_support/core_ext/string/inflections'

activesupport/test/multibyte_chars_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'multibyte_test_helpers'
 require 'active_support/core_ext/string/multibyte'

activesupport/test/multibyte_conformance_test.rb

-# encoding: utf-8
 
 require 'abstract_unit'
 require 'multibyte_test_helpers'

activesupport/test/multibyte_proxy_test.rb

-# encoding: utf-8
 
 require 'abstract_unit'
 

activesupport/test/multibyte_test_helpers.rb

-# encoding: utf-8
 
 module MultibyteTestHelpers
   UNICODE_STRING = 'こにちわ'.freeze

activesupport/test/multibyte_unicode_database_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 
 

activesupport/test/transliterate_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'active_support/inflector/transliterate'
 

railties/test/application/assets_test.rb

-# -*- coding: utf-8 -*-
 require 'isolation/abstract_unit'
 require 'rack/test'
 require 'active_support/json'

railties/test/application/middleware/exceptions_test.rb

-# encoding: utf-8
 require 'isolation/abstract_unit'
 require 'rack/test'
 

railties/test/application/middleware/session_test.rb

-# encoding: utf-8
 require 'isolation/abstract_unit'
 require 'rack/test'
 

railties/test/application/middleware/static_test.rb

-# encoding: utf-8
 require 'isolation/abstract_unit'
 require 'rack/test'
 

railties/test/path_generation_test.rb

-# encoding: utf-8
 require 'abstract_unit'
 require 'active_support/core_ext/object/with_options'
 require 'active_support/core_ext/object/json'