diff --git a/tests/test_papi.py b/tests/test_papi.py
index e551a57..e11d425 100644
--- a/tests/test_papi.py
+++ b/tests/test_papi.py
@@ -71,3 +71,6 @@ def test_sample_report():
     assert rjson[0] == "-1#Test channel error"
 
 
+def test_cover():
+    with pytest.raises(ValueError):
+        testutils.probe_sample_body(status="erruer")