With commit e3b84ed the unwrap_phase function would always return an ndarray
even when image was masked. This restores the pre-e3b84ed behavior of
returning a masked array when the image is masked.
Fix handling of multiple warnings
Update all test __init__ files
Update segmentation pkg
Update the color pkg
Update the exposure pkg
Update the filters pkg
Update the io pkg
Update the measure pkg
Update morphology package
Restructure test setup function
Add expected_warnings to __all__
Update restoration pkg.
Remove explicit filter check since it is done elsewhere
Fix the image test helpers
Update the transform pkg
Fix util pkg
Update viewer pkg
Reset plugins prior to running collections test
Handle warnings in morphology pkg
Add __init__ for morpohology tests
Handle warnings for novice pkg
Handle warnings for restoration pkg
Handle warnings for segmentation pkg
Handle warnings for _shared pkg
Handle warnings for transform pkg
Handle warnings for util pkg
Handle warnings in viewer module
Jonathan Helmus