Merge pull request #2651 from projectblacklight/engine_cart_stanza

Update engine cart stanza from upstream

Gemfile

@@ -10,8 +10,8 @@ group :test do
 end
 
 # BEGIN ENGINE_CART BLOCK
-# engine_cart: 0.10.0
-# engine_cart stanza: 0.10.0
+# engine_cart: 2.5.0
+# engine_cart stanza: 2.5.0
 # the below comes from engine_cart, a gem used to test this Rails engine gem in the context of a Rails app.
 file = File.expand_path('Gemfile', ENV['ENGINE_CART_DESTINATION'] || ENV['RAILS_ROOT'] || File.expand_path('.internal_test_app', File.dirname(__FILE__)))
 if File.exist?(file)
@@ -23,7 +23,6 @@ if File.exist?(file)
   end
 else
   Bundler.ui.warn "[EngineCart] Unable to find test application dependencies in #{file}, using placeholder dependencies"
-
   if ENV['RAILS_VERSION']
     if ENV['RAILS_VERSION'] == 'edge'
       gem 'rails', github: 'rails/rails'
@@ -33,12 +32,14 @@ else
     end
   end
 
-  case ENV['RAILS_VERSION']
+  case ENV['RAILS_VERSION'].to_s
   when /^6.0/
     gem 'sass-rails', '>= 6'
     gem 'webpacker', '~> 4.0'
   when /^5.[12]/
     gem 'sass-rails', '~> 5.0'
+    gem 'sprockets', '~> 3.7'
+    gem 'thor', '~> 0.20'
   end
 end
 # END ENGINE_CART BLOCK