Migrate test to github actions

.github/workflows/test.yml

@@ -0,0 +1,33 @@
+name: spec-generator tests
+
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [14.x, 16.x]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v2
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - run: npm install
+    - run: npx respec2html -e --timeout 30 --src "https://w3c.github.io/payment-request/"
+    - run: npx respec2html -e --timeout 30 --src "https://w3c.github.io/resource-hints/"
+    - run: npm test
+
+    - name: Notify failure
+      uses: rectalogic/notify-irc@v1
+      if: ${{ failure() }}
+      with:
+        server: "irc.w3.org"
+        port: 6679
+        channel: "#pub"
+        nickname: gh-action-notifier
+        tls: true
+        message: |
+          ${{ github.actor }} pushed to ${{ github.repository }}. https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }} FAILED with node ${{ matrix.node-version}} (PR: ${{ github.event.pull_request.html_url }})