test_extended_region_props: Added another test for ExtendedRegionProps construction and immutable methods from advanced_image_processing. This partially addresses #110.
test_extended_region_props: Added another test for ExtendedRegionProps construction and immutable methods from advanced_image_processing. This partially addresses #110.

DudLab/nanshe,jakirkham/nanshe,DudLab/nanshe,nanshe-org/nanshe,nanshe-org/nanshe,jakirkham/nanshe