Add tests

.github/workflows/venv.yml

@@ -0,0 +1,36 @@
+name: Test venv on all supported Python versions
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [ "3.10", "3.11", "3.12", "3.13", "3.14" ]
+
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Set up Vim
+        run: |
+          sudo apt-get update
+          sudo apt-get install --yes vim
+
+      - name: Set up virtual environment
+        run: |
+          export VIM_VIRTUALENV_TARGET="$(mktemp --directory)"
+          echo "${VIM_VIRTUALENV_TARGET}"
+          python -m venv "${VIM_VIRTUALENV_TARGET}"
+          ls -la "${VIM_VIRTUALENV_TARGET}"
+          env