zammad/spec/support/script_helper.rb

module ScriptHelper
  def has_ipv6?
    File.exist?('/proc/net/if_inet6') && system('ip -6 addr | grep ::1')
  end
end

RSpec.configure do |config|
  # #extend adds setup methods for example groups (#describe / #context);
  # #include adds methods within actual examples (#it blocks)
  config.extend ScriptHelper, type: :script
end