Add Include Devise Helpers In Your Controller Tests as a rails til

rails/include-devise-helpers-in-your-controller-tests.md

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+# Include Devise Helpers In Your Controller Tests
+
+For past versions of Devise, you could include `DeviseHelpers` as part of
+`controller` or `request` type tests to have access to the `sign_in` and
+`sign_out` helpers.
+
+```ruby
+RSpec.configure do |config|
+  config.include Devise::TestHelpers, :type => :controller
+end
+```
+
+As of [Devise
+4.2.0+](https://github.com/heartcombo/devise/blob/master/CHANGELOG.md#420---2016-07-01),
+the `Devise::TestHelpers` have been deprecated. The
+`Devise::Test::ControllerHelpers` module should instead be included.
+
+```ruby
+RSpec.configure do |config|
+  config.include Devise::Test::ControllerHelpers, :type => :controller
+end
+```
+
+[source](https://github.com/heartcombo/devise/blob/98fc5e8e396b66b826528811287ea6680a6d0757/lib/devise/test/controller_helpers.rb#L26)