test-network: use networkctl_status() helper function at one more place

diff --git a/test/test-network/systemd-networkd-tests.py b/test/test-network/systemd-networkd-tests.py
index fabb76fcbf2008deb23c49e0a3c3839c25512905..9a8b38a88fa89fd5dec6d913bac34a01c2aa5872 100755 (executable)
--- a/test/test-network/systemd-networkd-tests.py
+++ b/test/test-network/systemd-networkd-tests.py
@@ -8153,7 +8153,7 @@ class NetworkdDHCPServerTests(unittest.TestCase, Utilities):
         self.wait_online('veth-peer:routable')
 
         for _ in range(10):
-            output = check_output(*networkctl_cmd, '-n', '0', 'status', 'veth-peer', env=env)
+            output = networkctl_status('veth-peer')
             if 'Offered DHCP leases: 192.168.5.' in output:
                 break
             time.sleep(0.2)