diff --git a/tests/conftest.py b/tests/conftest.py
index 9b983882a..2d7a805b1 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -91,6 +91,8 @@ def generate_test_data(timeframe: str, size: int, start: str = '2020-07-05'):
     base = np.random.normal(20, 2, size=size)
     if timeframe == '1M':
         date = pd.date_range(start, periods=size, freq='1MS', tz='UTC')
+    elif timeframe == '1w':
+        date = pd.date_range(start, periods=size, freq='1W-MON', tz='UTC')
     else:
         tf_mins = timeframe_to_minutes(timeframe)
         date = pd.date_range(start, periods=size, freq=f'{tf_mins}min', tz='UTC')