fixed id of EmbeddedModelField check error

Author: timgraham

django_mongodb_backend/fields/embedded_model.py

@@ -27,7 +27,7 @@ def check(self, **kwargs):
                         f"({self.embedded_model().__class__.__name__}.{field.name} "
                         f"is a {field.__class__.__name__}).",
                         obj=self,
-                        id="django_mongodb.embedded_model.E001",
+                        id="django_mongodb_backend.embedded_model.E001",
                     )
                 )
         return errors

tests/model_fields_/test_embedded_model.py

@@ -114,11 +114,9 @@ class Target(models.Model):
         class MyModel(models.Model):
             field = EmbeddedModelField(Target)
 
-        model = MyModel()
-        errors = model.check()
+        errors = MyModel().check()
         self.assertEqual(len(errors), 1)
-        # The inner CharField has a non-positive max_length.
-        self.assertEqual(errors[0].id, "django_mongodb.embedded_model.E001")
+        self.assertEqual(errors[0].id, "django_mongodb_backend.embedded_model.E001")
         msg = errors[0].msg
         self.assertEqual(
             msg, "Embedded models cannot have relational fields (Target.key is a ForeignKey)."