Update test migration

Author: macro1

simple_history/tests/migration_test_app/migrations/0001_initial.py

@@ -30,7 +30,7 @@ class Migration(migrations.Migration):
                 ('history_id', models.AutoField(serialize=False, primary_key=True)),
                 ('history_date', models.DateTimeField()),
                 ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
-                ('history_user', models.ForeignKey(on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, null=True)),
+                ('history_user', models.ForeignKey(related_name='+', on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, null=True)),
             ],
             options={'ordering': ('-history_date', '-history_id'), 'get_latest_by': 'history_date', 'verbose_name': 'historical yar'},
             bases=(models.Model,),