diff --git a/tests/test_system.py b/tests/test_system.py
index 11248cd..ac09175 100644
--- a/tests/test_system.py
+++ b/tests/test_system.py
@@ -484,4 +484,4 @@ def _object_to_numeric(array):  # for field quantities
     # Check error
     final_iter = system.train_history[-1]
     for var, perf in final_iter['test_error'].items():
-        assert perf < 0.15
+        assert perf < 0.2