diff --git a/tests/strategy/test_interface.py b/tests/strategy/test_interface.py
index 128599668..250dcf63d 100644
--- a/tests/strategy/test_interface.py
+++ b/tests/strategy/test_interface.py
@@ -735,11 +735,16 @@ def test_auto_hyperopt_interface(default_conf):
     PairLocks.timeframe = default_conf['timeframe']
     strategy = StrategyResolver.load_strategy(default_conf)
 
+    with pytest.raises(OperationalException):
+        next(strategy.enumerate_parameters('deadBeef'))
+
     assert strategy.buy_rsi.value == strategy.buy_params['buy_rsi']
     # PlusDI is NOT in the buy-params, so default should be used
     assert strategy.buy_plusdi.value == 0.5
     assert strategy.sell_rsi.value == strategy.sell_params['sell_rsi']
 
+    assert repr(strategy.sell_rsi) == 'IntParameter(74)'
+
     # Parameter is disabled - so value from sell_param dict will NOT be used.
     assert strategy.sell_minusdi.value == 0.5
     all_params = strategy.detect_all_parameters()