Update deploy workflow

.github/workflows/deploy-to-production.yml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
 
 jobs:
-  preview-gh-pages:
+  deploy-to-production:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
@@ -27,6 +27,11 @@ jobs:
           CI: true
         run: npm run build
 
+      - name: Run unit tests
+        env:
+          CI: true
+        run: npm test -- --watchAll=false
+
       - name: Embed commit hash in index.html
         run: |
           commit_hash=$(git rev-parse HEAD)
@@ -35,7 +40,7 @@ jobs:
             echo "Expected $index_path to exist after build" >&2
             exit 1
           fi
-          printf '<!-- Commit: %s -->\n' "$commit_hash" | cat - "$index_path" > "${index_path}.with-hash"
+          printf '<!-- Howdy! So you like looking at other people\'s html sources, huh? I do it too. Anyway, the commit hash is %s -->\n' "$commit_hash" | cat - "$index_path" > "${index_path}.with-hash"
           mv "${index_path}.with-hash" "$index_path"
           echo "commit_hash=$commit_hash" >> "$GITHUB_ENV"