adding interface to ifu_sample, bumping version

importer_test_data/__init__.py

@@ -7,3 +7,4 @@ from .unformatted_files import files as translation_files
 from .hmi_context import files as hmi_context
 from .gris_structure import folder as gris_folder
 from .spec_split_raw import spec_raw_file_l1
+from .ifu_sample import ifu_sample_files

importer_test_data/__version__.py

-__version__ = "0.5.0"
+__version__ = "0.6.0"