diff --git a/core/lib/spree/testing_support/dummy_app.rb b/core/lib/spree/testing_support/dummy_app.rb
index 8b9c4591235..7e2e7707f20 100644
--- a/core/lib/spree/testing_support/dummy_app.rb
+++ b/core/lib/spree/testing_support/dummy_app.rb
@@ -80,7 +80,7 @@ class Application < ::Rails::Application
       config.action_dispatch.show_exceptions = false
     end
     config.consider_all_requests_local = true
-    config.active_support.deprecation = :stderr
+    config.active_support.deprecation = ENV['RAILS_DEPRECATIONS_BEHAVIOR'].presence&.to_sym || :stderr
     config.log_level = :debug
 
     # Improve test suite performance: