[tests] Add missing assert against expected tracebacks in test_exceptions.py (GH...

diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index 6141f2e8f62b0c56468316a12333a9915ab17b36..70d10ebc66e98bdcc25334b7d2cec480162cb8a4 100644 (file)
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -2298,6 +2298,7 @@ class SyntaxErrorTests(unittest.TestCase):
                 except SyntaxError as exc:
                     with support.captured_stderr() as err:
                         sys.__excepthook__(*sys.exc_info())
+                    self.assertIn(expected, err.getvalue())
                     the_exception = exc
 
     def test_encodings(self):