def trials
      RRRSpec.redis.lrange(RRRSpec.make_key(key, 'trial'), 0, -1).map do |key|
        Trial.new(key)
      end
    end
def trials
      RRRSpec.redis.lrange(RRRSpec.make_key(key, 'trial'), 0, -1).map do |key|
        Trial.new(key)
      end
    end
==========================================================================
 Trial
 Public: Returns the trials of the task.
 The return value should be sorted in the order added.

 Returns an array of the Trials