Avoid Jupyter terminal job-control noise

tests/test_jupyter_runtime.py

@@ -35,6 +35,14 @@ class TestJupyterRuntimeOutputFiltering(unittest.TestCase):
 
         self.assertEqual(output, 'actual')
 
+    def test_clean_terminal_output_drops_wrapper_job_control_line(self) -> None:
+        cleaned = clean_terminal_output(
+            'real-output\r\n'
+            '[1] + Done (setsid bash -lc "export A=1; lscpu")\r\n'
+        )
+
+        self.assertEqual(cleaned, 'real-output')
+
 
 if __name__ == '__main__':
     unittest.main()