only test json schema in dev env

Author: FynnBe

tests/test_internal/test_json_schema.py

@@ -2,7 +2,10 @@
 
 from deepdiff.diff import DeepDiff
 
+from tests.utils import expensive_test
 
+
+@expensive_test  # test only in developer environment (success is pydantic version dependent)
 def test_json_schema_is_up_to_date():
     from bioimageio.spec._internal.json_schema import generate_json_schema
     from bioimageio.spec.utils import get_bioimageio_json_schema