https://github.com/jonleighton/poltergeist/issues/393

no_timeout.rb

require 'thread'
require 'timeout'

module NoTimeout
  extend self

  def no_timeout
    current_thread_eigenclass = (class << Thread.current; self; end)
    original_raise_method = current_thread_eigenclass.instance_exec do
      method(:raise).tap do |original_raise_method|
        define_method :raise do |*args|
          if Timeout::Error == args.first || args.first <= Timeout::ExitException
            $stderr.puts "Timeout::Error was raised and squashed."
          else
            original_raise_method.call(*args)
          end
        end
      end
    end

    return yield

  ensure
    current_thread_eigenclass.instance_exec do
      define_method(:raise, &original_raise_method)
    end
  end
end

# usage
Timeout.timeout(x) do
  NoTimeout::no_timeout { binding.pry }
end