Functions
test_add_mask()
test_add_mask
test_from_aia_level1(capsys)
test_from_aia_level1
test_from_pickle()
test_from_pickle
test_to_fits()
test_to_fits
Likely needs serious rework since migration to NDCube for Level_3
test_to_pickle(capsys)
test_to_pickle
test_transform_image()
test_transform_image
test_update_internal_alignment(capsys)
test_update_internal_alignment
test_vignetting_correction(capsys)
test_vignetting_correction