Add skip_if_platform marker

Make it easier to skip tests based on platform ID and platform LIKE_ID.

Skip some tests that are not working on Debian-like platforms

Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Stanislav Levin <slev@altlinux.org>

ipatests/test_integration/test_sudo.py

@@ -152,6 +152,9 @@ class TestSudo(IntegrationTest):
             assert result1.returncode == 0 and result2.returncode == 0,\
                 'rules cleanup failed'
 
+    @pytest.mark.skip_if_platform(
+        "debian", reason="NISDOMAIN has not been set on Debian"
+    )
     def test_nisdomainname(self):
         result = self.client.run_command('nisdomainname')
         assert self.client.domain.name in result.stdout_text