Update dummy app config

spec/config_rspec.rb

@@ -1,3 +1,4 @@
+# Configure RSpec
 RSpec.configure do |config|
   # Use DB agnostic schema by default
   load Rails.root.join('db', 'schema.rb').to_s

spec/dummy/config/application.rb

@@ -11,5 +11,6 @@
 
 module Dummy
   class Application < Rails::Application
+    config.load_defaults Rails::VERSION::STRING.to_f
   end
 end

spec/dummy/config/database.yml

@@ -1,3 +1,4 @@
+---
 development:
   adapter: sqlite3
   database: db/development.sqlite3

spec/dummy/config/environments/development.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
@@ -16,7 +18,7 @@
   if Rails.root.join('tmp/caching-dev.txt').exist?
     config.action_controller.perform_caching = true
     config.cache_store = :memory_store
-    config.public_file_server.headers = {'Cache-Control' => 'public, max-age=172800'}
+    config.public_file_server.headers = { 'Cache-Control' => 'public, max-age=172800' }
   else
     config.action_controller.perform_caching = false
     config.cache_store = :null_store

spec/dummy/config/environments/test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
@@ -15,7 +17,7 @@
   # Configure public file server for tests with Cache-Control for performance.
   if config.respond_to?(:public_file_server)
     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=3600' }
   else
     config.serve_static_files   = true
     config.static_cache_control = 'public, max-age=3600'
@@ -26,7 +28,7 @@
   config.action_controller.perform_caching = false
 
   # Raise exceptions instead of rendering exception templates.
-  config.action_dispatch.show_exceptions = false
+  # config.action_dispatch.show_exceptions = false
 
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false

spec/dummy/config/routes.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Rails.application.routes.draw do
 end

spec/dummy/config/secrets.yml

@@ -1,3 +1,4 @@
+---
 development:
   secret_key_base: 4f652b992e258c03478b463380b23bca70cb9758a3b26c6dd3f5c31a46fd042548ff0176cc6ad3a5e1077c675c6f8bb305a14121ca5c68568318461507d2c94b
 

spec/spec_helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'simplecov'
 
 # Start SimpleCov