Skipped a test on Oracle

from django.db.models import Q

from django.db.utils import IntegrityError

from django.test import TestCase

from django.test import TestCase, skipIfDBFeature

from .models import (Address, Place, Restaurant, Link, CharLink, TextLink,

    Person, Contact, Note, Organization, OddRelation1, OddRelation2, Company,

        note = Note(note='Note for guild', content_object=g1)

        note.save()

    @skipIfDBFeature('interprets_empty_strings_as_nulls')

    def test_gfk_to_model_with_empty_pk(self):

        """Test related to #13085"""

        # Saving model with GenericForeignKey to model instance with an