Remove code to support Rails 4.2

test/test_helper.rb

@@ -43,35 +43,10 @@ class ActiveSupport::TestCase
   end
 end
 
-if ActionPack::VERSION::STRING >= "5.0.0"
-  require "rails-controller-testing"
-
-  ActionController::TestCase.include Rails::Controller::Testing::TestProcess
-  ActionController::TestCase.include Rails::Controller::Testing::TemplateAssertions
-else
-  # TODO: Remove this compatibility monkeypatch when we drop support for Rails 4.2.
-  class ActionController::TestCase
-    def post(action, options = {})
-      params = options.delete(:params) || {}
-      super(action, params.merge(options))
-    end
-
-    def put(action, options = {})
-      params = options.delete(:params) || {}
-      super(action, params.merge(options))
-    end
-
-    def delete(action, options = {})
-      params = options.delete(:params) || {}
-      super(action, params.merge(options))
-    end
+require "rails-controller-testing"
 
-    def get(action, options = {})
-      params = options.delete(:params) || {}
-      super(action, params.merge(options))
-    end
-  end
-end
+ActionController::TestCase.include Rails::Controller::Testing::TestProcess
+ActionController::TestCase.include Rails::Controller::Testing::TemplateAssertions
 
 module ActionDispatch
   class Flash