Fix remaining issues: update Cypress tests to work directly with WordPress, fix Markdown formatting

.github/workflows/playground-tests.yml

@@ -37,8 +37,8 @@ jobs:
         # Add your linting command here when you have one
         # For example: npm run lint
 
-  playground-test:
-    name: WordPress Playground Tests
+  playground-single-test:
+    name: WordPress Playground Single Site Tests
     runs-on: ubuntu-latest
     needs: code-quality
 
@@ -74,6 +74,43 @@ jobs:
         # Run Cypress tests against WordPress Playground
         npx cypress run --config specPattern=cypress/e2e/playground-single-site.cy.js
 
+  playground-multisite-test:
+    name: WordPress Playground Multisite Tests
+    runs-on: ubuntu-latest
+    needs: [code-quality, playground-single-test]
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20'
+        cache: 'npm'
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Install WordPress Playground CLI
+      run: npm install -g @wp-playground/cli
+
+    - name: Create plugin zip
+      run: |
+        mkdir -p dist
+        zip -r dist/plugin.zip . -x "node_modules/*" "dist/*" ".git/*"
+
+    - name: Run tests with WordPress Playground
+      run: |
+        # Start WordPress Playground with our blueprint
+        npx @wp-playground/cli server --blueprint playground/multisite-blueprint.json --port 8889 --login &
+
+        # Wait for WordPress Playground to be ready
+        echo "Waiting for WordPress Playground to be ready..."
+        timeout 60 bash -c 'until curl -s http://localhost:8889; do sleep 2; done'
+
+        # Run Cypress tests against WordPress Playground
+        npx cypress run --config specPattern=cypress/e2e/playground-multisite.cy.js,baseUrl=http://localhost:8889
+
   performance-test:
     name: WordPress Performance Tests
     runs-on: ubuntu-latest