if __name__ does work with ansible modules

lib/ansible/modules/packaging/os/apt.py

@@ -568,6 +568,5 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 
-# FIXME: if __name__ == "__main__": ?
-if "ANSIBLE_IN_HAPPY_UNITTEST_LAND" not in os.environ:
+if __name__ == "__main__":
     main()

lib/ansible/modules/tests/test_apt.py

@@ -3,8 +3,6 @@ import mock
 import os
 import unittest
 
-# FIXME: this is not super elegant
-os.environ["ANSIBLE_IN_HAPPY_UNITTEST_LAND"] = "1"
 from packaging.apt import (
     expand_pkgspec_from_fnmatches,
 )