systemd-networkd-tests: Skip tests requiring dhcpd if it is not available

dhcpd is not available on CentOS Stream 10

See https://github.com/systemd/systemd/issues/33717

diff --git a/test/test-network/systemd-networkd-tests.py b/test/test-network/systemd-networkd-tests.py
index 7c336ba9e292ed50e291c4cbb57bf13459e7cd3c..ba8e65ee90bfc226771de015c4ad4df02f995554 100755 (executable)
--- a/test/test-network/systemd-networkd-tests.py
+++ b/test/test-network/systemd-networkd-tests.py
@@ -7120,6 +7120,7 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
         self.assertGreater(prefixInfo[0]['PreferredLifetimeUSec'], 0)
         self.assertGreater(prefixInfo[0]['ValidLifetimeUSec'], 0)
 
+    @unittest.skipUnless(shutil.which('dhcpd'), reason="dhcpd is not available on CentOS Stream 10")
     def test_dhcp6pd_no_address(self):
         # For issue #29979.
         copy_network_unit('25-veth.netdev', '25-dhcp6pd-server.network', '25-dhcp6pd-upstream-no-address.network')
@@ -7136,6 +7137,7 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
 
         self.check_dhcp6_prefix('veth99')
 
+    @unittest.skipUnless(shutil.which('dhcpd'), reason="dhcpd is not available on CentOS Stream 10")
     def test_dhcp6pd_no_assign(self):
         # Similar to test_dhcp6pd_no_assign(), but in this case UseAddress=yes (default),
         # However, the server does not provide IA_NA. For issue #31349.
@@ -7153,6 +7155,7 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
 
         self.check_dhcp6_prefix('veth99')
 
+    @unittest.skipUnless(shutil.which('dhcpd'), reason="dhcpd is not available on CentOS Stream 10")
     def test_dhcp6pd(self):
         copy_network_unit('25-veth.netdev', '25-dhcp6pd-server.network', '25-dhcp6pd-upstream.network',
                           '25-veth-downstream-veth97.netdev', '25-dhcp-pd-downstream-veth97.network', '25-dhcp-pd-downstream-veth97-peer.network',