Merge branch 'develop' into feat/short

tests/optimize/test_backtesting.py

@@ -52,6 +52,13 @@ def trim_dictlist(dict_list, num):
     return new
 
 
+@pytest.fixture(autouse=True)
+def backtesting_cleanup() -> None:
+    yield None
+
+    Backtesting.cleanup()
+
+
 def load_data_test(what, testdatadir):
     timerange = TimeRange.parse_timerange('1510694220-1510700340')
     data = history.load_pair_history(pair='UNITTEST/BTC', datadir=testdatadir,
@@ -568,8 +575,6 @@ def test_backtest__enter_trade(default_conf, fee, mocker) -> None:
     trade = backtesting._enter_trade(pair, row=row, direction='long')
     assert trade is None
 
-    backtesting.cleanup()
-
 
 def test_backtest__get_sell_trade_entry(default_conf, fee, mocker) -> None:
     default_conf['use_sell_signal'] = False