added tests for bot_start

tests/strategy/strats/strategy_test_v3.py

@@ -82,6 +82,11 @@ class StrategyTestV3(IStrategy):
     #         })
     #     return prot
 
+    bot_started = False
+
+    def bot_start(self):
+        self.bot_started = True
+
     def informative_pairs(self):
 
         return []

tests/strategy/test_default_strategy.py

@@ -32,6 +32,7 @@ def test_strategy_test_v3(result, fee, is_short, side):
     assert type(indicators) is DataFrame
     assert type(strategy.populate_buy_trend(indicators, metadata)) is DataFrame
     assert type(strategy.populate_sell_trend(indicators, metadata)) is DataFrame
+    assert strategy.bot_started is True
 
     trade = Trade(
         open_rate=19_000,