diff --git a/tests/test_historical.py b/tests/test_historical.py
index cacac1cbee155798e9db24aa54cddf32cf2e201e..f8dfcfcf4ba0091ed2cae4d8ae435f3219cce38f 100644
--- a/tests/test_historical.py
+++ b/tests/test_historical.py
@@ -19,6 +19,9 @@ class FakeResponder:
     def __getattr__(self, name):
         return self._respond
 
+    def should_cache(self):
+        return False
+
 
 class FakeConfig:
     def __init__(self, responder, argvars=None):