Give more hazels to the player when testing the interaction with merchants

squirrelbattle/tests/game_test.py

@@ -540,6 +540,8 @@ class TestGame(unittest.TestCase):
         self.game.handle_key_pressed(KeyValues.UP)
         self.assertEqual(self.game.store_menu.position, 1)
 
+        self.game.player.hazel = 0x7ffff42ff
+
         # The second item is not a heart
         merchant.inventory[1] = Sword()
         # Buy the second item by clicking on it