skip_torch flag for test with hidden torch dependency

Author: FynnBe

tests/conftest.py

@@ -77,7 +77,8 @@
 
 def pytest_configure():
 
-    # explicit skip flag needed for pytorch to onnx converter test
+    # explicit skip flags needed for some tests
+    pytest.skip_torch = skip_torch
     pytest.skip_onnx = skip_onnx
 
     # load all model packages used in tests

tests/resource_io/test_load_rdf.py

@@ -92,6 +92,7 @@ def test_load_model_with_rel_str_source(unet2d_nuclei_broad_model):
     assert model
 
 
+@pytest.mark.skipif(pytest.skip_torch, reason="requires pytorch")
 def test_load_remote_model_with_folders():
     from bioimageio.core import load_resource_description, load_raw_resource_description
     from bioimageio.core.resource_io import nodes