Follow instructions in config/initializers/new_framework_defaults_7_1.rb

Author: yasulab

config/environments/test.rb

@@ -29,7 +29,7 @@
   config.cache_store = :null_store
 
   # Render exception templates for rescuable exceptions and raise for other exceptions.
-  config.action_dispatch.show_exceptions = :rescuable
+  config.action_dispatch.show_exceptions = :none
 
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false

config/initializers/new_framework_defaults_7_1.rb

@@ -35,7 +35,7 @@
 # Do not treat an `ActionController::Parameters` instance
 # as equal to an equivalent `Hash` by default.
 #++
-# Rails.application.config.action_controller.allow_deprecated_parameters_hash_equality = false
+Rails.application.config.action_controller.allow_deprecated_parameters_hash_equality = false
 
 ###
 # Active Record Encryption now uses SHA-256 as its hash digest algorithm.
@@ -65,7 +65,7 @@
 # state which matches what was committed to the database, typically the last
 # instance to save.
 #++
-# Rails.application.config.active_record.run_commit_callbacks_on_first_saved_instances_in_transaction = false
+Rails.application.config.active_record.run_commit_callbacks_on_first_saved_instances_in_transaction = false
 
 ###
 # Configures SQLite with a strict strings mode, which disables double-quoted string literals.