Ensure get_fee returns something in tests

tests/conftest.py

@@ -241,6 +241,7 @@ def patch_exchange(
     if api_mock:
         mocker.patch(f'{EXMS}._init_ccxt', return_value=api_mock)
     else:
+        mocker.patch(f'{EXMS}.get_fee', return_value=0.025)
         mocker.patch(f'{EXMS}._init_ccxt', MagicMock())
         mocker.patch(f'{EXMS}.timeframes', PropertyMock(
                 return_value=['5m', '15m', '1h', '1d']))

tests/exchange/test_exchange.py

@@ -1121,12 +1121,12 @@ def test_create_dry_run_order_fees(
     price_side,
     fee,
 ):
+    exchange = get_patched_exchange(mocker, default_conf)
     mocker.patch(
      f'{EXMS}.get_fee',
      side_effect=lambda symbol, taker_or_maker: 2.0 if taker_or_maker == 'taker' else 1.0
     )
     mocker.patch(f'{EXMS}._dry_is_price_crossed', return_value=price_side == 'other')
-    exchange = get_patched_exchange(mocker, default_conf)
 
     order = exchange.create_dry_run_order(
         pair='LTC/USDT',

tests/optimize/test_backtest_detail.py

@@ -921,12 +921,12 @@ def test_backtest_results(default_conf, mocker, caplog, data: BTContainer) -> No
     default_conf["use_exit_signal"] = data.use_exit_signal
     default_conf["max_open_trades"] = 10
 
+    patch_exchange(mocker)
     mocker.patch(f"{EXMS}.get_fee", return_value=0.0)
     mocker.patch(f"{EXMS}.get_min_pair_stake_amount", return_value=0.00001)
     mocker.patch(f"{EXMS}.get_max_pair_stake_amount", return_value=float('inf'))
     mocker.patch(f"{EXMS}.get_max_leverage", return_value=100)
     mocker.patch(f"{EXMS}.calculate_funding_fees", return_value=0)
-    patch_exchange(mocker)
     frame = _build_backtest_dataframe(data.data)
     backtesting = Backtesting(default_conf)
     # TODO: Should we initialize this properly??