Skip omniauth CSRF protection in tests

Author: fbacall

config/initializers/omniauth.rb

@@ -1,6 +1,6 @@
 Rails.application.config.middleware.use OmniAuth::Builder do
   OmniAuth.config.allowed_request_methods = [:post]
 
-  OmniAuth.config.request_validation_phase = OmniAuth::AuthenticityTokenProtection.new(key: :_csrf_token)
+  OmniAuth.config.request_validation_phase = Rails.env.test? ? nil : OmniAuth::AuthenticityTokenProtection.new(key: :_csrf_token)
 end