diff --git a/tests/conftest.py b/tests/conftest.py
index 9c81c050d..c1c35fc9d 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -142,8 +142,8 @@ def generate_trades_history(n_rows, start_date: Optional[datetime] = None, days=
     return df
 
 
-def generate_test_data(timeframe: str, size: int, start: str = '2020-07-05'):
-    np.random.seed(42)
+def generate_test_data(timeframe: str, size: int, start: str = '2020-07-05', random_seed=42):
+    np.random.seed(random_seed)
 
     base = np.random.normal(20, 2, size=size)
     if timeframe == '1y':
@@ -174,9 +174,9 @@ def generate_test_data(timeframe: str, size: int, start: str = '2020-07-05'):
     return df
 
 
-def generate_test_data_raw(timeframe: str, size: int, start: str = '2020-07-05'):
+def generate_test_data_raw(timeframe: str, size: int, start: str = '2020-07-05', random_seed=42):
     """ Generates data in the ohlcv format used by ccxt """
-    df = generate_test_data(timeframe, size, start)
+    df = generate_test_data(timeframe, size, start, random_seed)
     df['date'] = df.loc[:, 'date'].view(np.int64) // 1000 // 1000
     return list(list(x) for x in zip(*(df[x].values.tolist() for x in df.columns)))