[Tunix] Update expected output in vllm_sampler_test.

PiperOrigin-RevId: 889297190

Author: wang2yn84

tests/generate/vllm_sampler_test.py

@@ -280,7 +280,7 @@ def test_vllm_sampler_run_in_executor_concurrency(self):
         base_prompts[1]: ["Paris"],
         base_prompts[2]: ["Rayleigh", "scattering"],
         base_prompts[3]: ["relativity", "physics"],
-        base_prompts[4]: ["health", "increase", "reduce"],
+        base_prompts[4]: ["health", "can", "regular"],
         base_prompts[5]: ["winter"],
         base_prompts[6]: ["romeo", "juliet"],
         base_prompts[7]: ["pancake"],