update test to allow easier deprecation of ignore_version_mismatch (#…

…8693)

jwst/assign_wcs/tests/test_schemas.py

@@ -2,6 +2,7 @@
 import sys
 import warnings
 
+from asdf.exceptions import AsdfDeprecationWarning
 from astropy.modeling import models
 from astropy import units as u
 import pytest
@@ -55,6 +56,14 @@ def test_distortion_schema(distortion_model, tmp_path):
 
     with warnings.catch_warnings():
         warnings.simplefilter("error")
+        # filter out the ignore_version_mismatch deprecation as it's
+        # unrelated to this test and will make the deprecation easier
+        # see https://github.com/spacetelescope/stdatamodels/pull/313
+        warnings.filterwarnings(
+            "ignore",
+            message="ignore_version_mismatch is deprecated and has done nothing since asdf 3.0.0",
+            category=AsdfDeprecationWarning,
+        )
         with DistortionModel(path) as dist1:
             assert dist1.meta.instrument.p_pupil == dist.meta.instrument.p_pupil
             assert dist1.meta.instrument.pupil == dist.meta.instrument.pupil