Run _utils tests (file moved into root tests directory)
Merge branch 'canica' of https://github.com/GaelVaroquaux/nilearn into canica
Merge branch 'canica' of https://github.com/GaelVaroquaux/nilearn into canica
Improve test coverage of class_inspect
Merge branch 'canica' of https://github.com/GaelVaroquaux/nilearn into canica