Add test script using brain
user
```coffeescript
module.exports = (robot) ->

  robot.hear /tired/, (msg) ->
    robot.brain.data.count = 0 unless robot.brain.data.count
    robot.brain.data.count += 1
    robot.brain.save
    if robot.brain.data.count < 3 then msg.send "Let's take a short break." else msg.send "You must take a break."
  robot.hear /fine/, (msg) ->
    robot.brain.data.count = 0
    robot.brain.save
    msg.send "Good."
```
assistant