[CI]Fix break CI

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>

.github/workflows/vllm_ascend_test.yaml

@@ -88,6 +88,10 @@ jobs:
           pip install cmake>=3.26 wheel packaging ninja "setuptools-scm>=8" numpy
           pip install -r requirements-dev.txt
 
+      # This is the base vllm master code cached in the container to speed up
+      # the test. There are two branch by default:
+      # - up-main: the latest code of vllm
+      # - apply_plugin: the code of vllm with the plugin applied
       - name: copy vllm
         run: |
           cp -r /root/vllm /root/vllm-cpu
@@ -98,8 +102,14 @@ jobs:
           HTTPS_PROXY: ${{ secrets.MY_PROXY }}
         # TODO: pull the latest code of vLLM
         run: |
+          git config http.proxy "$HTTPS_PROXY"
+          git config https.proxy "$HTTPS_PROXY"
+          git config -l
+          git checkout up-main
+          git remote update
+          git merge up/main
           pip install -r requirements-cpu.txt
-          VLLM_TARGET_DEVICE=cpu python setup.py install
+          VLLM_TARGET_DEVICE=empty python setup.py install
 
       - name: Install vllm_ascend
         run: |