Upgrade from Rails 5.0 to 5.2

config/environments/test.rb

@@ -12,12 +12,11 @@ Rails.application.configure do
   # preloads Rails for running tests, you may have to set it to true.
   config.eager_load = false
 
-  # Test :sorted or :random. ":random" may be safer but harder to debug.
-  config.active_support.test_order = :sorted
-
-  # Configure static asset server for tests with Cache-Control for performance.
+  # Configure public file server for tests with Cache-Control for performance.
   config.public_file_server.enabled = true
-  config.public_file_server.headers = { 'Cache-Control' => 'public, max-age=3600' }
+  config.public_file_server.headers = {
+    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
+  }
 
   # Show full error reports and disable caching.
   config.consider_all_requests_local       = true
@@ -28,6 +27,10 @@ Rails.application.configure do
 
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false
+
+  # Store uploaded files on the local file system in a temporary directory
+  config.active_storage.service = :test
+
   config.action_mailer.perform_caching = false
 
   # Tell Action Mailer not to deliver emails to the real world.
@@ -55,5 +58,6 @@ Rails.application.configure do
   config.image_sizes = {
     large: '800x600',
     small: '160x120',
-  }
+  # Raises error for missing translations
+  # config.action_view.raise_on_missing_translations = true
 end