fix apache unit tests (#9490)

Fixes https://github.com/certbot/certbot/issues/9481.

I poked around our other uses of this function and they seem OK to me for now, however, I opened https://github.com/certbot/certbot/issues/9489 to track the bigger refactor I think we should do here.

certbot-apache/certbot_apache/_internal/override_centos.py

@@ -58,8 +58,13 @@ class CentOSConfigurator(configurator.ApacheConfigurator):
             "rhel", "redhatenterpriseserver", "red hat enterprise linux server",
             "scientific", "scientific linux",
         ]
+        # It is important that the loose version comparison below is not made
+        # if the OS is not RHEL derived. See
+        # https://github.com/certbot/certbot/issues/9481.
+        if not rhel_derived:
+            return False
         at_least_v9 = util.parse_loose_version(os_version) >= util.parse_loose_version('9')
-        return rhel_derived and at_least_v9
+        return at_least_v9
 
     def _override_cmds(self) -> None:
         super()._override_cmds()

certbot/CHANGELOG.md

@@ -21,6 +21,7 @@ Certbot adheres to [Semantic Versioning](https://semver.org/).
       have started erroring with `AttributeError` in Certbot v2.0.0.
     - Plugin authors can find more information about Certbot 2.x compatibility
       [here](https://github.com/certbot/certbot/wiki/Certbot-v2.x-Plugin-Compatibility).
+* A bug causing our certbot-apache tests to crash on some systems has been resolved.
 
 More details about these changes can be found on our GitHub repo.