Fix qwen2.5 1.5b test (pytorch#14013)

Summary:
Forward fix for pytorch#13972

Rollback Plan:

Differential Revision: D81789757

Author: cccclai

.ci/scripts/test_model.sh

@@ -97,7 +97,7 @@ test_model() {
     bash examples/models/llava/install_requirements.sh
     STRICT="--no-strict"
   fi
-  if [[ "${MODEL_NAME}" == "qwen2_5" ]]; then
+  if [[ "${MODEL_NAME}" == "qwen2_5_1_5b" ]]; then
       # Install requirements for export_llama
       bash examples/models/llama/install_requirements.sh
       # Test export_llm script: python3 -m extension.llm.export.export_llm.

.github/workflows/trunk.yml

@@ -176,7 +176,7 @@ jobs:
           - model: phi_4_mini
             backend: portable
             runner: linux.arm64.m7g.4xlarge
-          - model: qwen2_5
+          - model: qwen2_5_1_5b
             backend: portable
             runner: linux.arm64.2xlarge
           - model: llama3_2_vision_encoder

examples/models/__init__.py

@@ -35,7 +35,7 @@ class Model(str, Enum):
     ResNet50 = "resnet50"
     Llava = "llava"
     EfficientSam = "efficient_sam"
-    Qwen25 = "qwen2_5"
+    Qwen25 = "qwen2_5_1_5b"
     Phi4Mini = "phi_4_mini"
     SmolLM2 = "smollm2"