Fuse test and build jobs into single workflow

Author: aarvee11

.github/workflows/jekyll.yml

@@ -31,9 +31,8 @@ concurrency:
   cancel-in-progress: false
 
 jobs:
-  # Test job
-  test:
-    if: github.event_name == 'pull_request'
+  # Combined test and build job
+  test-and-build:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -48,7 +47,7 @@ jobs:
         run: bundle install
       - name: Check for syntax errors
         run: bundle exec jekyll doctor
-      - name: Build Jekyll site
+      - name: Build Jekyll site for testing
         run: bundle exec jekyll build --strict_front_matter
         env:
           JEKYLL_ENV: development
@@ -64,28 +63,17 @@ jobs:
         run: |
           gem install html-proofer
           htmlproofer ./_site --external_only --check-external-hash
-
-  # Build job
-  build:
-    if: github.event_name == 'push'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Setup Ruby
-        uses: ruby/setup-ruby@4a9ddd6f338a97768b8006bf671dfbad383215f4
-        with:
-          ruby-version: '3.3'
-          bundler-cache: true
-          cache-version: 0
       - name: Setup Pages
+        if: github.event_name == 'push'
         id: pages
         uses: actions/configure-pages@v5
-      - name: Build with Jekyll
+      - name: Build with Jekyll for production
+        if: github.event_name == 'push'
         run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
         env:
           JEKYLL_ENV: production
       - name: Upload artifact
+        if: github.event_name == 'push'
         uses: actions/upload-pages-artifact@v4
 
   # Deployment job
@@ -95,7 +83,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
-    needs: build
+    needs: test-and-build
     steps:
       - name: Deploy to GitHub Pages
         id: deployment