Updated bibox to combine parent _ccxt_config and minimized _ccxt_config tests

freqtrade/exchange/bibox.py

@@ -23,6 +23,8 @@ class Bibox(Exchange):
     @property
     def _ccxt_config(self) -> Dict:
         # Parameters to add directly to ccxt sync/async initialization.
-        return {"has": {"fetchCurrencies": False}}
+        config = {"has": {"fetchCurrencies": False}}
+        config.update(super()._ccxt_config)
+        return config
 
     funding_fee_times: List[int] = [0, 8, 16]  # hours of the day