Use custom options class to silence TypeErrors from FactoryOptions._f…

…ill_from_meta

src/wagtail_factories/factories.py

@@ -3,6 +3,7 @@
 import factory
 from django.utils.text import slugify
 from factory import errors, utils
+from factory.base import FactoryOptions, OptionDefault
 from factory.declarations import ParameteredAttribute
 from wagtail.images import get_image_model
 
@@ -128,14 +129,23 @@ class PageFactoryMetaClass(FactoryMetaClass):
     def __new__(mcs, class_name, bases, attrs):
         new_class = super().__new__(mcs, class_name, bases, attrs)
         PAGE_FACTORIES.append(new_class)
-        new_class._meta.autotest = getattr(new_class._meta, "autotest", True)
         return new_class
 
 
+class PageFactoryOptions(FactoryOptions):
+    def _build_default_options(self):
+        return super()._build_default_options() + [
+            OptionDefault("autotest", True, inherit=False),
+        ]
+
+
 class PageFactory(MP_NodeFactory, metaclass=PageFactoryMetaClass):
+
     title = "Test page"
     slug = factory.LazyAttribute(lambda obj: slugify(obj.title))
 
+    _options_class = PageFactoryOptions
+
     class Meta:
         model = Page
         autotest = False