1 files changed, 5 insertions, 1 deletions

diff --git a/tests/helper.py b/tests/helper.py
index a2f8a22..930d04a 100644
--- a/tests/helper.py
+++ b/tests/helper.py
@@ -5,9 +5,10 @@ from unittest import mock
 import requests_mock
 from io import StringIO
 import portfolio, market, main, store, dbs
+import datetime
 
 __all__ = ["limits", "unittest", "WebMockTestCase", "mock", "D",
-        "StringIO"]
+        "StringIO", "tz"]
 
 limits = ["acceptance", "unit"]
 for test_type in limits:
@@ -19,6 +20,9 @@ for test_type in limits:
         limits = [test_type]
         break
 
+def tz(hours):
+    return datetime.timezone(datetime.timedelta(hours=hours))
+
 class WebMockTestCase(unittest.TestCase):
     import time