Fix tests for use public trades

tests/data/test_download_data.py

@@ -78,9 +78,10 @@ def test_download_data_main_trades(mocker):
         "trading_mode": "futures",
     })
 
-    with pytest.raises(OperationalException,
-                       match="Trade download not supported for futures."):
-        download_data_main(config)
+    download_data_main(config)
+    assert dl_mock.call_args[1]['timerange'].starttype == "date"
+    assert dl_mock.call_count == 2
+    assert convert_mock.call_count == 2
 
 
 def test_download_data_main_data_invalid(mocker):