Fix unit test

Author: WaVEV

django_mongodb_backend/creation.py

@@ -22,6 +22,9 @@ def _destroy_test_db(self, test_database_name, verbosity):
 
         for collection in self.connection.introspection.table_names():
             if not collection.startswith("system."):
+                db_collection = self.connection.database.get_collection(collection)
+                for search_indexes in db_collection.list_search_indexes():
+                    db_collection.drop_search_index(search_indexes["name"])
                 self.connection.database.drop_collection(collection)
 
     def create_test_db(self, *args, **kwargs):

tests/queries_/models.py

@@ -60,4 +60,4 @@ class Article(models.Model):
     number = models.IntegerField()
     body = models.TextField()
     location = models.JSONField(null=True)
-    plot_embedding = ArrayField(models.FloatField(), size=3)
+    plot_embedding = ArrayField(models.FloatField(), size=3, null=True)