Dedicated test workflow to run on PRs (#172)

.github/workflows/gh-pages-workflow.yml

@@ -1,4 +1,4 @@
-name: Test and Deploy to GitHub Pages
+name: Test and deploy to GitHub Pages
 
 on:
   push:
@@ -21,11 +21,14 @@ jobs:
       with:
         node-version: "${{ steps.nvm.outputs.NVMRC }}"
 
-    - name: npm ci, test, and build
-      run: |
-        npm ci
-        npm test
-        npm run build
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Test before production
+      run: npm test
+
+    - name: Build tool
+      run: npm run build
 
     - name: Deploy master to GitHub Pages
       uses: JamesIves/github-pages-deploy-action@2.0.0