test_registry_client: use correct function

c099ab2f · Xiaowu Zhang · cc27de33 · c099ab2f
Commit c099ab2f authored Aug 04, 2022 by Xiaowu Zhang
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re6st/tests/test_end2end/test_registry_client.py re6st/tests/test_end2end/test_registry_client.py +1 -1

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--- a/re6st/tests/test_end2end/test_registry_client.py
+++ b/re6st/tests/test_end2end/test_registry_client.py
@@ -32,7 +32,7 @@ class TestRegistryClientInteract(unittest.TestCase):
        re6st_wrap.initial()
        # if running in net ns, set lo up
-        subprocess.Popen(["ip", "link", "set", "lo", "up"], stderr=subprocess.PIPE)
+        subprocess.check_call(("ip", "link", "set", "lo", "up"))
    def setUp(self):
        self.port = 18080