diff --git a/freqtrade/tests/conftest.py b/freqtrade/tests/conftest.py
index ba2e1e84e..809dc12e0 100644
--- a/freqtrade/tests/conftest.py
+++ b/freqtrade/tests/conftest.py
@@ -1,6 +1,7 @@
 # pragma pylint: disable=missing-docstring
 import json
 import logging
+import re
 from datetime import datetime
 from functools import reduce
 from typing import Dict, Optional
@@ -27,6 +28,12 @@ def log_has(line, logs):
                   False)
 
 
+def log_has_re(line, logs):
+    return reduce(lambda a, b: a or b,
+                  filter(lambda x: re.match(line, x[2]), logs),
+                  False)
+
+
 def patch_exchange(mocker, api_mock=None, id='bittrex') -> None:
     mocker.patch('freqtrade.exchange.Exchange._load_markets', MagicMock(return_value={}))
     mocker.patch('freqtrade.exchange.Exchange.validate_timeframes', MagicMock())