diff --git a/test/external/external_test_datasets.py b/test/external/external_test_datasets.py
index 005336b68c..28cc8e2d5a 100644
--- a/test/external/external_test_datasets.py
+++ b/test/external/external_test_datasets.py
@@ -16,6 +16,7 @@ class ExternalTestDatasets(unittest.TestCase):
     np.random.seed(42)
     random.seed(42)
 
+class TestKiTS19Dataset(ExternalTestDatasets):
   def _create_samples(self, val, num_samples=2):
     self._set_seed()