[Bugfix] Remove the last EOS token unless explicitly specified (vllm-project#5077)

Author: jsato8094

tests/engine/output_processor/test_stop_checker.py

@@ -15,11 +15,8 @@ def sequence_with_eos(text: str, eos_token: str,
     """
     seq = Sequence(
         seq_id=0,
-        inputs={
-            "prompt": "",
-            "prompt_token_ids": [],
-            "multi_modal_data": None,
-        },
+        prompt="",
+        prompt_token_ids=[],
         block_size=16,
         eos_token_id=eos_token_id,
     )