[CI] Add Qwen3-Next-FP8 to Blackwell model tests (#31049)

Signed-off-by: Vadim Gimpelson <vadim.gimpelson@gmail.com>

tests/evals/gsm8k/configs/Qwen3-Next-FP8-EP2.yaml

+model_name: "Qwen/Qwen3-Next-80B-A3B-Instruct-FP8"
+accuracy_threshold: 0.85
+num_questions: 1319
+num_fewshot: 5
+server_args: >-
+  --max-model-len 4096
+  --tensor-parallel-size 2
+  --enable-expert-parallel
+  --async-scheduling
+env:
+  VLLM_USE_FLASHINFER_MOE_FP8: "1"

tests/evals/gsm8k/configs/models-blackwell.txt

@@ -4,3 +4,4 @@ Qwen1.5-MoE-W4A16-CT.yaml
 DeepSeek-V2-Lite-Instruct-FP8.yaml
 Qwen3-30B-A3B-NVFP4.yaml
 Qwen3-Next-80B-A3B-NVFP4-EP2.yaml
+Qwen3-Next-FP8-EP2.yaml

tests/evals/gsm8k/test_gsm8k_correctness.py

@@ -71,6 +71,7 @@ def test_gsm8k_correctness(config_filename):
     print(f"Number of questions: {eval_config['num_questions']}")
     print(f"Number of few-shot examples: {eval_config['num_fewshot']}")
     print(f"Server args: {' '.join(server_args)}")
+    print(f"Environment variables: {env_dict}")
 
     # Launch server and run evaluation
     with RemoteOpenAIServer(

tests/utils.py

@@ -106,6 +106,7 @@ class RemoteOpenAIServer:
             env.update(env_dict)
         serve_cmd = ["vllm", "serve", model, *vllm_serve_args]
         print(f"Launching RemoteOpenAIServer with: {' '.join(serve_cmd)}")
+        print(f"Environment variables: {env}")
         self.proc: subprocess.Popen = subprocess.Popen(
             serve_cmd,
             env=env,