update test.txt

Author: MathewDong1

requirements/pytorch/test.txt

@@ -19,5 +19,5 @@ uvicorn  # for `ServableModuleValidator`  # not setting version as re-defined in
 
 tensorboard >=2.9.1, <2.21.0  # for `TensorBoardLogger`
 
---find-links https://download.pytorch.org/whl/torch-tensorrt
+--extra-index-url https://download.pytorch.org/whl/torch-tensorrt
 torch-tensorrt >= 2.5.0; platform_system == "Linux" and python_version >= "3.12"  # Limit the torch-tensorrt version for testing.