railties/lib/rails/generators/test_unit/system/templates/system_test.rb.tt

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require "application_system_test_case"

class <%= class_name.pluralize %>Test < ApplicationSystemTestCase
  # test "visiting the index" do
  #   visit <%= plural_table_name %>_url
  #
  #   assert_selector "h1", text: "<%= class_name %>"
  # end
end