rails new -n a11yist -d sqlite3 --skip-action-mailbox --css bootstrap --js esbuild .

test/channels/application_cable/connection_test.rb

@@ -0,0 +1,13 @@
+require "test_helper"
+
+module ApplicationCable
+  class ConnectionTest < ActionCable::Connection::TestCase
+    # test "connects with cookies" do
+    #   cookies.signed[:user_id] = 42
+    #
+    #   connect
+    #
+    #   assert_equal connection.user_id, "42"
+    # end
+  end
+end