fix test

rotkehlchen/tests/api/test_statistics.py

@@ -7,6 +7,7 @@
 import requests
 
 from rotkehlchen.accounting.structures.balance import BalanceType
+from rotkehlchen.api.server import APIServer
 from rotkehlchen.balances.manual import ManuallyTrackedBalance
 from rotkehlchen.constants.assets import A_BTC, A_ETH, A_ETH2, A_EUR
 from rotkehlchen.fval import FVal
@@ -158,12 +159,17 @@ def test_query_statistics_asset_balance(
 
 
 @pytest.mark.parametrize('start_with_valid_premium', [True])
-def test_query_statistics_asset_balance_errors(rotkehlchen_api_server, rest_api_port):
+def test_query_statistics_asset_balance_errors(rotkehlchen_api_server: APIServer):
     """Test that errors at the statistics asset balance over time endpoint are hanled properly"""
     start_time = ts_now()
 
     # Check that no asset given is an error
-    response = requests.post(f'http://localhost:{rest_api_port}/api/1/statistics/balance')
+    response = requests.post(
+        api_url_for(
+            rotkehlchen_api_server,
+            'statisticsassetbalanceresource',
+        ),
+    )
     assert_error_response(
         response=response,
         status_code=HTTPStatus.BAD_REQUEST,