core(test): add initial WebdriverIO infrastructure

STENCIL-1190

.github/workflows/test-wdio.yml

@@ -0,0 +1,51 @@
+name: BrowserStack Tests
+
+on:
+  merge_group:
+  pull_request_target:
+    branches:
+      - 'main'
+  push:
+    branches:
+      - 'main'
+
+permissions: read-all
+
+jobs:
+  build_core:
+    name: Build
+    uses: ./.github/workflows/build.yml
+
+  run_browserstack:
+    name: Run WebdriverIO Component Tests
+    runs-on: ubuntu-22.04
+    needs: [build_core]
+
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          ref: ${{ github.event_name == 'pull_request_target' && format('refs/pull/{0}/merge', github.event.number) || '' }}
+          persist-credentials: false
+
+      - name: Use Node Version from Volta (Karma)
+        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
+        with:
+          # pull the version to use from the volta key in package.json
+          node-version-file: './test/karma/package.json'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Download Build Archive
+        uses: ./.github/workflows/actions/download-archive
+        with:
+          name: stencil-core
+          path: .
+          filename: stencil-core-build.zip
+
+      - name: Run WebdriverIO Component Tests
+        run: npm run test.wdio
+
+      - name: Check Git Context
+        uses: ./.github/workflows/actions/check-git-context

package.json

@@ -48,6 +48,8 @@
     "test.jest": "node --experimental-vm-modules ./node_modules/jest/bin/jest.js",
     "test.karma": "cd test/karma && npm ci && npm run karma",
     "test.karma.prod": "cd test/karma && npm ci && npm run karma.prod",
+    "test.wdio": "cd test/wdio && npm ci && npm run test",
+    "test.wdio.testOnly": "cd test/wdio && npm ci && npm run wdio",
     "test.prod": "npm run test.dist && npm run test.end-to-end && npm run test.jest && npm run test.karma && npm run test.sys.node && npm run test.testing && npm run test.analysis",
     "test.testing": "node scripts/test/validate-testing.js",
     "test.watch": "node --experimental-vm-modules ./node_modules/jest/bin/jest.js --watch",