diff --git a/config/environments/test.rb b/config/environments/test.rb
index a963c380d37..6b6b10a2eb4 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -18,6 +18,11 @@
   config.public_file_server.enabled = true
   config.static_cache_control = "public, max-age=3600"
 
+  # Avoid potential warnings and race conditions
+  config.assets.configure do |env|
+    env.cache = ActiveSupport::Cache.lookup_store(:memory_store)
+  end
+
   # Log error messages when you accidentally call methods on nil
   config.whiny_nils = true