anchor.diff:  {
     "type": "s3",
     "settings": {
  -    "bucket": "my_bucket_name",
  -    "another_setting": "setting_value"
  +    "bucket": "my-bucket",
  +    "another_setting": "setting-value"
     }
   }
   ----
  
positive.code: The following settings are supported:
  
  `bucket`::
  
      The name of the bucket to be used for snapshots. (Mandatory)
  
  `client`::
  
  
negative.code: {
    "type": "s3",
    "settings": {
      "bucket": "my-bucket",
      "client": "my-alternate-client"
    }
  }
  ----
  