```coffeescript
module.exports  =
  current: 'ami-5dd50436'

  # Ordered by creation date
  list: [
    'ami-a7986fcc'
    'ami-b920d7d2'
    'ami-9b02f0f0'
    'ami-e7a05a8c'
    'ami-5dd50436'
  ]
```

Remove obsolete test instance AMI identifiers
user
```coffeescript
module.exports  =
  current: 'ami-5dd50436'

  # Ordered by creation date
  list: [
    'ami-5dd50436'
  ]
```
assistant