A collection of DICOM files for testing DICOM parsers.
To avoid users having to download all the files they are downloaded as they
are needed and cached in the
use dicom_test_files; dicom_test_files::path("pydicom/liver.dcm").unwrap();
Error type for test_dicom_files
Return a vector of local paths to all DICOM files
Return the local path for a given DICOM file