def set_wait(timeout = nil)
      timeout = @core.default_wait if timeout.nil?
      @driver.manage.timeouts.implicit_wait = timeout
    end
def set_wait(timeout = nil)
      timeout = @core.default_wait if timeout.nil?
      @driver.manage.timeouts.implicit_wait = timeout
    end
Set implicit wait. Default to @core.default_wait.

 @example

   set_wait 2
   set_wait # @core.default_wait


 @param timeout [Integer] the timeout in seconds
 @return [void]