1 files changed, 4 insertions, 3 deletions

diff --git a/src/mailman/testing/layers.py b/src/mailman/testing/layers.py
index 4a9841fc2..6104e64f7 100644
--- a/src/mailman/testing/layers.py
+++ b/src/mailman/testing/layers.py
@@ -190,10 +190,11 @@ class ConfigLayer(MockAndMonkeyLayer):
     @classmethod
     def tearDown(cls):
         assert cls.var_dir is not None, 'Layer not set up'
-        # Reset the test database after the tests are done so that there is no
-        # data in case the tests are rerun with a database layer like mysql or
-        # postgresql which are not deleted in teardown.
         reset_the_world()
+        # Destroy the test database after the tests are done so that there is
+        # no data in case the tests are rerun with a database layer like mysql
+        # or postgresql which are not deleted in teardown.
+        config.db.destroy()
         config.pop('test config')
         shutil.rmtree(cls.var_dir)
         cls.var_dir = None