1 files changed, 13 insertions, 0 deletions

diff --git a/src/mailman/interfaces/database.py b/src/mailman/interfaces/database.py
index 040bce77c..316d5be49 100644
--- a/src/mailman/interfaces/database.py
+++ b/src/mailman/interfaces/database.py
@@ -55,6 +55,19 @@ class IDatabase(Interface):
         This is only used by the test framework.
         """
 
+    def _make_temporary():
+        """Make a temporary database.
+
+        This is a @staticmethod used in the test framework.
+
+        :return: An object with one attribute and one method.  The attribute
+            `database` is the temporary `IDatabase`.  The method is a callable
+            named `cleanup()`, taking no arguments which should be called when
+            the temporary database is no longer necessary.  The database will
+            already be initialized, but no migrations will have been loaded
+            into it.
+        """
+
     def begin():
         """Begin the current transaction."""