def wait_for(options={}, &block)
      Wait.new(Cloudpassage::wait_options.merge(options)).until do
        instance_eval &block
      end
    end
def wait_for(options={}, &block)
      Wait.new(Cloudpassage::wait_options.merge(options)).until do
        instance_eval &block
      end
    end
Wait for block to evaluate to true.
 If specified, options can be used to override default options.
 Options should conform to https://rubygems.org/gems/wait