Add spec testing CarrierWave without failing silently
Add spec testing CarrierWave without failing silently

This spec executes a cover photo upload without failing silently.
The options `:ignore_processing_errors` and `:ignore_integrity_errors`
are set to `false` so that any problems with the installation of
`ImageMagick` cause this test to fail.

imGraetzl/im_graetzl,imGraetzl/im_graetzl,imGraetzl/im_graetzl,imGraetzl/im_graetzl