Playwright against abitrary web-vault (#6380)

* Playwright improvements

* Playwright fix for the extension setup

---------

Co-authored-by: Timshel <timshel@users.noreply.github.com>

playwright/README.md

@@ -97,9 +97,9 @@ npx playwright codegen "http://127.0.0.1:8003"
 
 ## Override web-vault
 
-It is possible to change the `web-vault` used by referencing a different `bw_web_builds` commit.
+It is possible to change the `web-vault` used by referencing a different `vw_web_builds` commit.
 
-Simplest is to set and uncomment `PW_WV_REPO_URL` and `PW_WV_COMMIT_HASH` in the `test.env`.
+Simplest is to set and uncomment `PW_VW_REPO_URL` and `PW_VW_COMMIT_HASH` in the `test.env`.
 Ensure that the image is built with:
 
 ```bash
@@ -112,6 +112,8 @@ You can check the result running:
 DOCKER_BUILDKIT=1 docker compose --profile playwright --env-file test.env up Vaultwarden
 ```
 
+Then check `http://127.0.0.1:8003/admin/diagnostics` with `admin`.
+
 # OpenID Connect test setup
 
 Additionally this `docker-compose` template allows to run locally Vaultwarden,