diff --git a/tests/database/test_manager.py b/tests/database/test_manager.py
index 108fc91..5cf1d10 100644
--- a/tests/database/test_manager.py
+++ b/tests/database/test_manager.py
@@ -198,3 +198,4 @@ class CreateUpdateTestModel(DbmModel):
 def test_multiple_database_open(minimum_manager):
     minimum_manager.open()
     minimum_manager.open()
+    minimum_manager.close()