diff --git a/tests/exchange/test_exchange.py b/tests/exchange/test_exchange.py
index ad24efc35..7be9a2207 100644
--- a/tests/exchange/test_exchange.py
+++ b/tests/exchange/test_exchange.py
@@ -647,7 +647,7 @@ def test_reload_markets_exception(default_conf, mocker, caplog):
     assert log_has_re(r"Could not reload markets.*", caplog)
 
 
-@ pytest.mark.parametrize("stake_currency", ['ETH', 'BTC', 'USDT'])
+@pytest.mark.parametrize("stake_currency", ['ETH', 'BTC', 'USDT'])
 def test_validate_stakecurrency(default_conf, stake_currency, mocker, caplog):
     default_conf['stake_currency'] = stake_currency
     api_mock = MagicMock()
@@ -1271,8 +1271,7 @@ def test_buy_prod(default_conf, mocker, exchange_name):
         side="buy",
         amount=1,
         rate=200,
-        time_in_force=time_in_force
-    )
+        time_in_force=time_in_force)
     assert api_mock.create_order.call_args[0][0] == 'ETH/BTC'
     assert api_mock.create_order.call_args[0][1] == order_type
     assert api_mock.create_order.call_args[0][2] == 'buy'
diff --git a/tests/test_freqtradebot.py b/tests/test_freqtradebot.py
index 9053f9cc8..d26c1e65a 100644
--- a/tests/test_freqtradebot.py
+++ b/tests/test_freqtradebot.py
@@ -743,7 +743,7 @@ def test_execute_entry(mocker, default_conf_usdt, fee, limit_order,
         (open_rate - (wallet_balance / position)) / (1 - (mm_ratio + taker_fee_rate))
         (10 - (2 / 1)) / (1 - (0.01 + 0.0006)) = 8.085708510208207
     """
-    # TODO: Parametrize this test
+    # TODO: Split this test into multiple tests to improve readability
     open_order = limit_order_open[enter_side(is_short)]
     order = limit_order[enter_side(is_short)]
     default_conf_usdt['trading_mode'] = trading_mode