# File src/ruby_supportlib/phusion_passenger/vendor/union_station_hooks_core/lib/union_station_hooks_core/spec_helper.rb, line 252
    def eventually(deadline_duration = 3, check_interval = 0.05)
      deadline = Time.now + deadline_duration
      while Time.now < deadline
        if yield
          return
        else
          sleep(check_interval)
        end
      end
      raise 'Time limit exceeded'
    end