Add CI workflow

.github/workflows/test-ui.yaml

@@ -0,0 +1,40 @@
+name: Tests CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout ComfyUI
+      uses: actions/checkout@v4
+      with:
+        repository: "comfyanonymous/ComfyUI"
+        ref: main
+    - name: Checkout ComfyUI_frontend
+      uses: actions/checkout@v4
+      with:
+        repository: "huchenlei/ComfyUI_frontend"
+    - uses: actions/setup-node@v3
+      with:
+        node-version: 18
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
+    - name: Install requirements
+      run: |
+        python -m pip install --upgrade pip
+        pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu
+        pip install -r requirements.txt
+        pip install wait-for-it
+    - name: Start ComfyUI server
+      run: |
+        cd ComfyUI
+        python main.py --cpu
+    - name: Run UI tests
+      run: |
+        wait-for-it --service 127.0.0.1:8188 -t 600
+        npm ci
+        npm run test:generate
+        npm test -- --verbose
+      working-directory: ComfyUI_frontend/tests-ui