chore(datasets): use <= instead of .issubset()

Signed-off-by: Deepyaman Datta <[email protected]>

Author: deepyaman

kedro-datasets/tests/ibis/test_table_dataset.py

@@ -222,7 +222,7 @@ def test_describe_includes_backend_mode_and_materialized(self, table_dataset):
 
         desc = table_dataset._describe()
 
-        assert {"backend", "mode", "materialized"}.issubset(desc.keys())
+        assert {"backend", "mode", "materialized"} <= desc.keys()
         assert "database" in desc
         # database key should not be duplicated inside nested args
         assert "database" not in desc["load_args"]