diff --git a/testing/test_runner.py b/testing/test_runner.py
index d341950e5..9a13a6b47 100644
--- a/testing/test_runner.py
+++ b/testing/test_runner.py
@@ -524,3 +524,4 @@ def test_makereport_getsource(testdir):
     """)
     result = testdir.runpytest()
     assert 'INTERNALERROR' not in result.stdout.str()
+    result.stdout.fnmatch_lines(['*else: assert False*'])