Add test for Don't try to parse the response json when not_modified containers#550

Author: jarovo

podman/tests/integration/test_containers.py

@@ -139,6 +139,12 @@ def test_container_crud(self):
             self.assertIn("/usr/bin/top", report["Processes"][0][-1])
 
             top_ctnr.stop()
+
+            # Try stopping the already stopped.
+            # See https://github.com/containers/podman-py/pull/550 for more info.
+            with self.assertRaises(APIError):
+                top_ctnr.stop()
+
             top_ctnr.reload()
             self.assertIn(top_ctnr.status, ("exited", "stopped"))