test: add @webcontainer/test test cases (#72)

Author: AriPerkkio

.github/workflows/test.yml

@@ -0,0 +1,24 @@
+name: Test
+
+on:
+  pull_request:
+  workflow_dispatch:
+  push:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: 'npm'
+
+      - run: npm ci
+
+      - name: Install Playwright Dependencies
+        run: npx playwright install chromium firefox --with-deps --only-shell
+
+      - run: npm run test

.gitignore

@@ -1,5 +1,6 @@
 # Ignore patterns for repo config
 /node_modules
+/test/__screenshots__
 
 # Ignore patterns for templates
 */node_modules