                     ] }                 -                     { insert : "expected.chunks", documents : [                         { _id : "*actual", files_id : "*result", n : 0, data : { $hex : "00000000" } },                         { _id : "*actual", files_id : "*result", n : 0, data : { $hex : "00000000" } }                     ] }     -         description: "Upload when 