Local changes: Updated model training, removed debug instrumentation, and configuration improvements

tests/e2e/test_backtest_e2e.py

@@ -0,0 +1,18 @@
+"""End-to-end tests for backtesting."""
+
+import pytest
+from datetime import datetime, timedelta
+from src.backtesting.engine import get_backtest_engine
+
+
+@pytest.mark.e2e
+class TestBacktestE2E:
+    """End-to-end tests for backtesting."""
+    
+    @pytest.mark.asyncio
+    async def test_backtest_scenario(self):
+        """Test complete backtesting scenario."""
+        engine = get_backtest_engine()
+        assert engine is not None
+        # Full E2E test would require strategy and historical data setup
+