Revert "Set VLLM_PORT env variable"

Author: kevin314

tests/utils.py

@@ -179,7 +179,6 @@ def compare_two_settings(model: str,
         env1: The first set of environment variables to pass to the API server.
         env2: The second set of environment variables to pass to the API server.
     """
-    os.environ["VLLM_PORT"] = "8001"
 
     trust_remote_code = "--trust-remote-code"
     if trust_remote_code in arg1 or trust_remote_code in arg2:
@@ -299,8 +298,6 @@ def compare_two_settings(model: str,
                 "texts": texts,
             })
 
-    os.environ.pop("VLLM_PORT")
-
     n = len(results) // 2
     arg1_results = results[:n]
     arg2_results = results[n:]
@@ -494,7 +491,6 @@ async def completions_with_server_args(
     Returns:
       OpenAI Completion instance
     '''
-    os.environ["VLLM_PORT"] = "8001"
 
     outputs = None
     with RemoteOpenAIServer(model_name,
@@ -507,8 +503,6 @@ async def completions_with_server_args(
                                                   stream=False,
                                                   max_tokens=5,
                                                   logprobs=num_logprobs)
-    os.environ.pop("VLLM_PORT")
-
     assert outputs is not None
 
     return outputs