>     MongoFS .transaction(trans, callback(err, actions)) map should define a single mapping for the directory: [2K[0G  ․ MongoFS .transaction(trans, callback(err, actions)) map should define a single mapping for the directory
>     MongoFS .transaction(trans, callback(err, actions)) unmap should undo the mappings with the given timestamps: [2K[0G  ․ MongoFS .transaction(trans, callback(err, actions)) unmap should undo the mappings with the given timestamps
34c36
<   31 passing (315 ms)
---
>   33 passing (252 ms)