[BUG] Error when printing an individual sample label

[diegoliberman]

Steps to reproduce the error

1. Open an individual sample
2. Click the print action
3. The file won't get downloaded and an error will show up "Failed - No file".

Version

Version: dev-01802a4 (build 1580)

[ysbaddaden]

Yeah, the link is completely broken:

https://cdx-stg.instedd.org/samples/%23%3CSamplePresenter:0x007f291a37a380%3E/print?context=b2892c86-b103-0e64-5180-8d20d47c84f3

[straight-shoota]

This could easily be covered in a simple spec.

[mmuller]

Working properly in version e452dd3