Add additional test scenarios

freqtrade/templates/subtemplates/strategy_methods_advanced.j2

@@ -17,7 +17,7 @@ def confirm_trade_entry(self, pair: str, order_type: str, amount: float, rate: f
     """
     Called right before placing a buy order.
     Timing for this function is critical, so avoid doing heavy computations or
-    network reqeusts in this method.
+    network requests in this method.
 
     For full documentation please go to https://www.freqtrade.io/en/latest/strategy-advanced/
 
@@ -39,7 +39,7 @@ def confirm_trade_exit(self, pair: str, trade: 'Trade', order_type: str, amount:
     """
     Called right before placing a regular sell order.
     Timing for this function is critical, so avoid doing heavy computations or
-    network reqeusts in this method.
+    network requests in this method.
 
     For full documentation please go to https://www.freqtrade.io/en/latest/strategy-advanced/