Skipp tests that behave strangely in python2

tests/unit/ssg-module/test_build_yaml.py

@@ -2,6 +2,7 @@
 import collections
 import os
 import tempfile
+import sys
 
 import yaml
 import pytest
@@ -437,6 +438,7 @@ def rule_accounts_tmout():
     return ssg.build_yaml.Rule.from_yaml(rule_file)
 
 
+@pytest.mark.skipif(sys.version_info[0] < 3, reason="requires python3 or higher")
 def test_rule_to_xml_element(rule_accounts_tmout):
     xmldiff_main = pytest.importorskip("xmldiff.main")
     rule_el = rule_accounts_tmout.to_xml_element()
@@ -469,6 +471,7 @@ def value_system_crypto_policy():
     return ssg.build_yaml.Value.from_yaml(value_file)
 
 
+@pytest.mark.skipif(sys.version_info[0] < 3, reason="requires python3 or higher")
 def test_value_to_xml_element(value_system_crypto_policy):
     xmldiff_main = pytest.importorskip("xmldiff.main")
     value_el = value_system_crypto_policy.to_xml_element()

tests/unit/ssg-module/test_controls.py

@@ -1,6 +1,7 @@
 import pytest
 import logging
 import os
+import sys
 
 import ssg.controls
 import ssg.build_yaml
@@ -98,6 +99,7 @@ def test_controls_load(controls_manager):
     _load_test(controls_manager, "abcd")
 
 
+@pytest.mark.skipif(sys.version_info[0] < 3, reason="requires python3 or higher")
 def test_controls_invalid_rules(env_yaml):
     existing_rules = {"accounts_tmout", "configure_crypto_policy"}
     controls_manager = ssg.controls.ControlsManager(
@@ -107,6 +109,8 @@ def test_controls_invalid_rules(env_yaml):
     assert str(exc.value) == \
         "Control abcd:R1 contains nonexisting rule(s) sshd_set_idle_timeout"
 
+
+@pytest.mark.skipif(sys.version_info[0] < 3, reason="requires python3 or higher")
 def test_controls_levels(controls_manager):
     # Default level is the lowest level
     c_1 = controls_manager.get_control("abcd-levels", "S1")