diff --git a/related-packages/fileformats-extras/fileformats/extras/medimage_afni/tests/test_generate_sample_data.py b/related-packages/fileformats-extras/fileformats/extras/medimage_afni/tests/test_generate_sample_data.py
index 398d689..17f8621 100644
--- a/related-packages/fileformats-extras/fileformats/extras/medimage_afni/tests/test_generate_sample_data.py
+++ b/related-packages/fileformats-extras/fileformats/extras/medimage_afni/tests/test_generate_sample_data.py
@@ -9,31 +9,31 @@
 )
 
 
-@pytest.xfail(reason="generate_sample_data not implemented")
+@pytest.mark.xfail(reason="generate_sample_data not implemented")
 def test_generate_sample_oned_data():
     assert isinstance(OneD.sample(), OneD)
 
 
-@pytest.xfail(reason="generate_sample_data not implemented")
+@pytest.mark.xfail(reason="generate_sample_data not implemented")
 def test_generate_sample_threed_data():
     assert isinstance(ThreeD.sample(), ThreeD)
 
 
-@pytest.xfail(reason="generate_sample_data not implemented")
+@pytest.mark.xfail(reason="generate_sample_data not implemented")
 def test_generate_sample_r1_data():
     assert isinstance(R1.sample(), R1)
 
 
-@pytest.xfail(reason="generate_sample_data not implemented")
+@pytest.mark.xfail(reason="generate_sample_data not implemented")
 def test_generate_sample_all1_data():
     assert isinstance(All1.sample(), All1)
 
 
-@pytest.xfail(reason="generate_sample_data not implemented")
+@pytest.mark.xfail(reason="generate_sample_data not implemented")
 def test_generate_sample_dset_data():
     assert isinstance(Dset.sample(), Dset)
 
 
-@pytest.xfail(reason="generate_sample_data not implemented")
+@pytest.mark.xfail(reason="generate_sample_data not implemented")
 def test_generate_sample_head_data():
     assert isinstance(Head.sample(), Head)