added broken test

app/helpers/react_on_rails_helper.rb

@@ -343,8 +343,8 @@ def initialize_redux_stores
   # second parameter passed to both component and store generator functions.
   def rails_context(server_side:)
     @rails_context ||= begin
-      result = {}
-      unless request.nil?
+      # result = {}
+      # unless request.nil?
         # Using Addressable instead of standard URI to better deal with
         # non-ASCII characters (see https://github.com/shakacode/react_on_rails/pull/405)
         uri = Addressable::URI.parse(request.original_url)
@@ -365,11 +365,11 @@ def rails_context(server_side:)
           i18nDefaultLocale: I18n.default_locale,
           httpAcceptLanguage: request.env["HTTP_ACCEPT_LANGUAGE"]
         }
-      end
-      if ReactOnRails.configuration.rendering_extension
-        custom_context = ReactOnRails.configuration.rendering_extension.custom_context(self)
-        result.merge!(custom_context) if custom_context
-      end
+      # end
+      # if ReactOnRails.configuration.rendering_extension
+      #   custom_context = ReactOnRails.configuration.rendering_extension.custom_context(self)
+      #   result.merge!(custom_context) if custom_context
+      # end
       result
     end
 

spec/dummy/app/mailers/dummy_mailer.rb

@@ -0,0 +1,9 @@
+class DummyMailer < ActionMailer::Base
+  add_template_helper(ReactOnRailsHelper)
+  default from: 'nobody@nope.com'
+  # layout 'mailer'
+
+  def hello_email
+    mail(to: 'otherperson@nope.com', subject: "you've got mail")
+  end
+end

spec/dummy/app/views/dummy_mailer/hello_email.html.erb

@@ -0,0 +1,3 @@
+Someone emailed this to you:
+
+<%= react_component("HelloWorld", props: {}, prerender: true) %>

spec/dummy/spec/requests/server_render_check_spec.rb

@@ -58,6 +58,13 @@
     end
   end
 
+  describe "server render mailer" do
+    it 'sends email okay' do
+      mail = DummyMailer.hello_email
+      expect(mail.subject).to match 'mail'
+    end
+  end
+
   describe "server rendering railsContext" do
     let(:http_accept_language) { "en-US,en;q=0.8" }