Switch to using propshaft as the default (still need to find a way to…

… tests against sprockets too)

Gemfile

@@ -8,7 +8,7 @@ gem "minitest", ">= 5.15.0", "< 5.22.0"
 # We need a newish Rake since Active Job sets its test tasks' descriptions.
 gem "rake", ">= 13"
 
-gem "sprockets-rails", ">= 2.0.0"
+gem "sprockets-rails", ">= 2.0.0", require: false
 gem "propshaft", ">= 0.1.7"
 gem "capybara", ">= 3.39"
 gem "selenium-webdriver", ">= 4.20.0"

railties/test/isolation/abstract_unit.rb

@@ -622,7 +622,7 @@ def self.sh(cmd)
  # Fake 'Bundler.require' -- we run using the repo's Gemfile, not an
  # app-specific one: we don't want to require every gem that lists.
  contents = File.read("#{app_template_path}/config/application.rb")
- contents.sub!(/^Bundler\.require.*/, "%w(sprockets/railtie importmap-rails).each { |r| require r }")
+ contents.sub!(/^Bundler\.require.*/, "%w(importmap-rails).each { |r| require r }")
  File.write("#{app_template_path}/config/application.rb", contents)
 
  require "rails"
@@ -637,7 +637,7 @@ def self.sh(cmd)
  require "action_cable"
  require "action_mailbox"
  require "action_text"
- require "sprockets"
+ require "propshaft"
 
  require "action_view/helpers"
  require "action_dispatch/routing/route_set"