tests: Add singlefile steps

.github/workflows/test.yml

@@ -40,6 +40,22 @@ jobs:
         with:
           fetch-depth: 1
 
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+          repository: "gildas-lormeau/SingleFile"
+          ref: "master"
+          path: "singlefile"
+
+      - name: Install npm requirements for singlefile
+        run: npm install --prefix singlefile/cli
+
+      - name: Give singlefile execution permissions
+        run: chmod +x singlefile/cli/single-file
+
+      - name: Add singlefile cli folder to path
+        run: echo "::add-path::$GITHUB_WORKSPACE/singlefile/cli"
+
       - name: Set up Python ${{ matrix.python }}
         uses: actions/setup-python@v1
         with:
@@ -55,6 +71,14 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-${{ matrix.python }}-venv-
 
+      - name: Use nodejs 14.7.0
+        uses: actions/setup-node@v1
+        with:
+          node-version: 14.7.0
+
+      - name: Debug
+        run: ls ./
+
       - name: Install dependencies
         run: |
           python -m pip install .