following last commit, test supports the new architecture

skluc/test/test_data/test_mldatasets.py

...est/test_data/test_transformation/TestLeCunTransformer.py

...t/test_data/test_transformation/TestRescaleTransformer.py

...st/test_data/test_transformation/TestResizeTransformer.py

...est/test_data/test_transformation/TestVGG19Transformer.py

skluc/test/test_kernel.py