Fix env

Author: SamyPesse

.github/workflows/deploy-preview.yaml

@@ -199,6 +199,7 @@ jobs:
               run: cd ./packages/gitbook && bun e2e-browserless
               env:
                   BASE_URL: ${{needs.deploy-v2-vercel.outputs.deployment-url}}
+                  SITE_BASE_URL: ${{ needs.deploy-v2-vercel.outputs.deployment-url }}/url/
     browserless-testing-v2-cloudflare:
         runs-on: ubuntu-latest
         name: Browserless Testing v2 (Cloudflare)
@@ -215,4 +216,5 @@ jobs:
             - name: Run tests
               run: cd ./packages/gitbook && bun e2e-browserless
               env:
-                  BASE_URL: ${{needs.deploy-v2-cloudflare.outputs.deployment-url}}
+                  BASE_URL: ${{needs.deploy-v2-cloudflare.outputs.deployment-url}}
+                  SITE_BASE_URL: ${{ needs.deploy-v2-cloudflare.outputs.deployment-url }}/url/