!112 !94: tests commons modules that contains most of the logic + zoneinfo (#113)

!112

Co-authored-by: bkfox <thomas bkfox net>
Reviewed-on: rc/aircox#113

aircox/views/mixins.py

@@ -91,6 +91,8 @@ class AttachedToMixin:
         return super().get_page()
 
 
+# FIXME: django-filter provides filter mixin, but I don't remember why this is
+# used.
 class FiltersMixin:
     """Mixin integrating Django filters' filter set."""