Update pr template

Author: ethnzhng

.github/PULL_REQUEST_TEMPLATE.md

@@ -17,7 +17,7 @@ Please delete options that are not relevant.
 ## Checklist:
 - [ ] Please add the link of [**Integration Tests Executor** run](https://github.com/deepjavalibrary/djl-serving/actions/workflows/integration_execute.yml) with related tests.
 - [ ] Have you [manually built the docker image](https://github.com/deepjavalibrary/djl-serving/blob/master/serving/docker/README.md#build-docker-image) and verify the change?
-- [ ] Have you run related tests? Check [how to set up the test environment here](https://github.com/deepjavalibrary/djl-serving/blob/master/.github/workflows/integration_execute.yml#L72)
+- [ ] Have you run related tests? Check [how to set up the test environment here](https://github.com/deepjavalibrary/djl-serving/blob/master/.github/workflows/integration_execute.yml#L98); One example would be `pytest tests.py -k "TestVllm1" -m "vllm"`
 - [ ] Have you added tests that prove your fix is effective or that this feature works?
 - [ ] Has code been commented, particularly in hard-to-understand areas?
 - [ ] Have you made corresponding changes to the documentation?