1af068923b
- Add deterministic mocking for Math.random() in garbage tests - Add edge case tests for piece positioning at boundaries - Add tests for negative Y positions (spawn area) - Improve lockPieceToBoard tests with proper I piece shape handling - Add performance tests for checkBoardOverflow and createEmptyBoard - Add tests for multiple garbage rows and board overflow scenarios - Fix test expectations to match actual game logic behavior - Total tests increased from 57 to 105