diff --git a/tests/test_results_table.py b/tests/test_results_table.py
index 165ad04..1aa8042 100644
--- a/tests/test_results_table.py
+++ b/tests/test_results_table.py
@@ -59,7 +59,9 @@ def test_add_col_dupe_name(self):
     def test_add_tvt_split(self):
         rt = ResultsTable(name="foo", description="a test results table")
         rt.add_tvt_split(np.uint([0, 1, 2, 0, 1]))
-        assert isinstance(rt["tvt_split"], TrainValidationTestSplit)
+        # waiting on fix upstream https://github.com/hdmf-dev/hdmf/pull/1091
+        # assert isinstance(rt["tvt_split"], TrainValidationTestSplit)
+        assert isinstance(rt["tvt_split"], EnumData)
         assert all(rt["tvt_split"].data == np.uint([0, 1, 2, 0, 1]))
         assert isinstance(rt["tvt_split"].elements, VectorData)
         assert rt["tvt_split"].elements.data == ["train", "validate", "test"]