Add docs tests step to CI

.github/workflows/ci.yml

@@ -10,8 +10,9 @@ env:
   ECR_PULL_THROUGH_REPOSITORY_URL: 258143015559.dkr.ecr.us-east-1.amazonaws.com/docker-hub/
 
 on:
-  merge_group:
   pull_request:
+    branches:
+      - 'develop'
     types:
       - opened
       - reopened
@@ -285,6 +286,17 @@ jobs:
           POSTHOG_API_KEY: ${{ secrets.POSTHOG_API_KEY }}
         run: cd docs/docusaurus && yarn install && bash ../build_docs
 
+  docs-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Run tests
+        env:
+          NODE_OPTIONS: --max_old_space_size=4096
+          POSTHOG_API_KEY: ${{ secrets.POSTHOG_API_KEY }}
+        run: cd docs/docusaurus && yarn install && yarn test
+
   cloud-tests:
     needs: [unit-tests, static-analysis, ci-is-on-main-repo]
     if: github.event.pull_request.draft == false