Changes and improvements to the process.

blog/test/application_system_test_case.rb

@@ -0,0 +1,5 @@
+require "test_helper"
+
+class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
+  driven_by :selenium, using: :chrome, screen_size: [1400, 1400]
+end

blog/test/channels/application_cable/connection_test.rb

@@ -0,0 +1,11 @@
+require "test_helper"
+
+class ApplicationCable::ConnectionTest < ActionCable::Connection::TestCase
+  # test "connects with cookies" do
+  #   cookies.signed[:user_id] = 42
+  #
+  #   connect
+  #
+  #   assert_equal connection.user_id, "42"
+  # end
+end

blog/test/controllers/articles_controller_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class ArticlesControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end

blog/test/fixtures/articles.yml

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+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  title: MyString
+  text: MyText
+
+two:
+  title: MyString
+  text: MyText

blog/test/models/article_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class ArticleTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

blog/test/test_helper.rb

@@ -0,0 +1,13 @@
+ENV['RAILS_ENV'] ||= 'test'
+require_relative '../config/environment'
+require 'rails/test_help'
+
+class ActiveSupport::TestCase
+  # Run tests in parallel with specified workers
+  parallelize(workers: :number_of_processors)
+
+  # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
+  fixtures :all
+
+  # Add more helper methods to be used by all tests here...
+end