Add test

spec/aws/rails/railtie_spec.rb

@@ -23,6 +23,11 @@ module Rails
         expect(Aws.config[:logger]).to eq ::Rails.logger
       end
 
+      it 'sets up eager loading for sdk services' do
+        expect(Aws.methods).to include(:eager_load!)
+        expect(::Rails.application.config.eager_load_namespaces).to include(Aws)
+      end
+
       describe '.use_rails_encrypted_credentials' do
         let(:rails_creds) { ::Rails.application.credentials.aws }
         it 'sets aws credentials' do

spec/dummy/config/environments/test.rb

@@ -3,4 +3,5 @@
   config.action_mailbox.ingress = :ses
   config.action_mailbox.ses.subscribed_topic = 'arn:aws:sns:eu-west-1:012345678910:example-topic'
   config.action_dispatch.show_exceptions = :none
+  config.eager_load = true
 end