diff --git a/tests/test_executor.py b/tests/test_executor.py
index f65f37d8..b3414fea 100644
--- a/tests/test_executor.py
+++ b/tests/test_executor.py
@@ -193,6 +193,7 @@ def test_executor_gpu_cuda_failure_darwin(self):
         # Configure the mock path object
         mock_binary_path = MagicMock(spec=Path)
         mock_binary_path.chmod.side_effect = FileNotFoundError
+        mock_binary_path.exists.return_value = False
 
         # Mock the execution options to use the mocked path
         mock_execution_options = MagicMock()