diff --git a/test/unit/app/managers/test_HistoryManager.py b/test/unit/app/managers/test_HistoryManager.py
index 3944a1184715..d669aff99d68 100644
--- a/test/unit/app/managers/test_HistoryManager.py
+++ b/test/unit/app/managers/test_HistoryManager.py
@@ -1,3 +1,5 @@
+import time
+
 from unittest import mock
 
 import pytest
@@ -337,6 +339,9 @@ def test_most_recently_used(self):
 
         history1 = self.history_manager.create(name="history1", user=user2)
         self.trans.set_history(history1)
+
+        # sleep a tiny bit so update time for history2 is different from history1
+        time.sleep(0.1)
         history2 = self.history_manager.create(name="history2", user=user2)
 
         self.log("should be able to get the most recently used (updated) history for a given user")