System test scaffolding failing

[siaw23]

When I generate a new rails app with rails new dealer --main and then runrails g scaffold Car brand:string I get:

      invoke  active_record
      create    db/migrate/20250930052927_create_cars.rb
      create    app/models/car.rb
      invoke    test_unit
      create      test/models/car_test.rb
      create      test/fixtures/cars.yml
      invoke  resource_route
       route    resources :cars
      invoke  scaffold_controller
      create    app/controllers/cars_controller.rb
      invoke    tailwindcss
      create      app/views/cars
      create      app/views/cars/index.html.erb
      create      app/views/cars/edit.html.erb
      create      app/views/cars/show.html.erb
      create      app/views/cars/new.html.erb
      create      app/views/cars/_form.html.erb
      create      app/views/cars/_car.html.erb
      invoke    resource_route
      invoke    test_unit
      create      test/controllers/cars_controller_test.rb
        gsub      test/system/cars_test.rb
/Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/actions/file_manipulation.rb:386:in 'IO.binread': No such file or directory @ rb_sysopen - /Users/siaw23/Desktop/dealer/test/system/cars_test.rb (Errno::ENOENT)
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/actions/file_manipulation.rb:386:in 'Thor::Actions#actually_gsub_file'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/actions/file_manipulation.rb:299:in 'Thor::Actions#gsub_file'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/tailwindcss-rails-4.3.0/lib/generators/test_unit/scaffold/scaffold_generator.rb:8:in 'TestUnit::Generators::ScaffoldGenerator#fix_system_test'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/command.rb:28:in 'Thor::Command#run'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:127:in 'Thor::Invocation#invoke_command'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'block in Thor::Invocation#invoke_all'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'Hash#each'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'Enumerable#map'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'Thor::Invocation#invoke_all'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/group.rb:243:in 'Thor::Group.dispatch'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:116:in 'Thor::Invocation#invoke'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/group.rb:288:in 'block in Thor::Group#_invoke_for_class_method'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/shell.rb:68:in 'Thor::Shell#with_padding'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/group.rb:277:in 'Thor::Group#_invoke_for_class_method'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/group.rb:134:in 'Rails::Generators::ScaffoldControllerGenerator#_invoke_from_option_test_framework'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/command.rb:28:in 'Thor::Command#run'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:127:in 'Thor::Invocation#invoke_command'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'block in Thor::Invocation#invoke_all'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'Hash#each'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'Enumerable#map'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'Thor::Invocation#invoke_all'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/group.rb:243:in 'Thor::Group.dispatch'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:116:in 'Thor::Invocation#invoke'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/group.rb:288:in 'block in Thor::Group#_invoke_for_class_method'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/shell.rb:68:in 'Thor::Shell#with_padding'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/group.rb:277:in 'Thor::Group#_invoke_for_class_method'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/group.rb:134:in 'Rails::Generators::ScaffoldGenerator#_invoke_from_option_scaffold_controller'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/command.rb:28:in 'Thor::Command#run'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:127:in 'Thor::Invocation#invoke_command'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'block in Thor::Invocation#invoke_all'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'Hash#each'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'Enumerable#map'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:134:in 'Thor::Invocation#invoke_all'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/group.rb:243:in 'Thor::Group.dispatch'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/base.rb:584:in 'Thor::Base::ClassMethods#start'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/bundler/gems/rails-cf6b3107753a/railties/lib/rails/generators.rb:267:in 'Rails::Generators.invoke'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/bundler/gems/rails-cf6b3107753a/railties/lib/rails/commands/generate/generate_command.rb:26:in 'Rails::Command::GenerateCommand#perform'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/command.rb:28:in 'Thor::Command#run'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor/invocation.rb:127:in 'Thor::Invocation#invoke_command'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/bundler/gems/rails-cf6b3107753a/railties/lib/rails/command/base.rb:176:in 'Rails::Command::Base#invoke_command'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/thor-1.4.0/lib/thor.rb:538:in 'Thor.dispatch'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/bundler/gems/rails-cf6b3107753a/railties/lib/rails/command/base.rb:71:in 'Rails::Command::Base.perform'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/bundler/gems/rails-cf6b3107753a/railties/lib/rails/command.rb:65:in 'block in Rails::Command.invoke'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/bundler/gems/rails-cf6b3107753a/railties/lib/rails/command.rb:143:in 'Rails::Command.with_argv'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/bundler/gems/rails-cf6b3107753a/railties/lib/rails/command.rb:63:in 'Rails::Command.invoke'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/bundler/gems/rails-cf6b3107753a/railties/lib/rails/commands.rb:18:in '<main>'
	from /Users/siaw23/.rbenv/versions/3.4.5/lib/ruby/3.4.0/bundled_gems.rb:82:in 'Kernel.require'
	from /Users/siaw23/.rbenv/versions/3.4.5/lib/ruby/3.4.0/bundled_gems.rb:82:in 'block (2 levels) in Kernel#replace_require'
	from /Users/siaw23/.rbenv/versions/3.4.5/gemsets/Desktop/gems/bootsnap-1.18.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in 'Kernel#require'
	from bin/rails:4:in '<main>'

which I believe is related to this recent change.