Dedicated test workflow to run on PRs (#172)

.github/workflows/test-workflow.yml

@@ -0,0 +1,46 @@
+name: Test commit or pull request
+
+on: [push, pull_request]
+
+jobs:
+  eslint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Read .nvmrc
+      run: echo "##[set-output name=NVMRC;]$(cat .nvmrc)"
+      id: nvm
+
+    - name: Use Node.js (.nvmrc)
+      uses: actions/setup-node@v1
+      with:
+        node-version: "${{ steps.nvm.outputs.NVMRC }}"
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Test with eslint
+      run: npm run test:eslint
+
+  sass-lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: Read .nvmrc
+        run: echo "##[set-output name=NVMRC;]$(cat .nvmrc)"
+        id: nvm
+
+      - name: Use Node.js (.nvmrc)
+        uses: actions/setup-node@v1
+        with:
+          node-version: "${{ steps.nvm.outputs.NVMRC }}"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Test with sass-lint
+        run: npm run test:sass-lint