test_advanced_image_processing: Added a test for preprocess_data from advanced_image_processing. This partially addresses #101.
test_advanced_image_processing: Added a test for preprocess_data from advanced_image_processing. This partially addresses #101.

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