End-to-end tests refactor (#10968)

* Refactor e2e tests

* Only install root dependencies for lint step

* Fix dumbest error ever

* Pass process.env too to spawned subprocess

* Suppress npm package installation prompt

* Improve error handling

* Add new compose file for tests

* Avoid port conflict with remoted

* Update docker-compose.yml

* Add test docs

* Use current branch workflow files and simplify skips

* Fix workflow file

* Fix workflow file

* Try adding `.yml` extension to allow reference in `uses`

* Place workflow file in folders to allow reference in `uses`

* Requires more work than expected, reverting

* Update docs to use correct compose file

* Remove comment / unused code

* Run tests from main

Co-authored-by: ian <licitdev@gmail.com>
Co-authored-by: Jay Cammarano <jay.cammarano@gmail.com>
Co-authored-by: rijkvanzanten <rijkvanzanten@me.com>

.github/workflows/unit-tests.yml

@@ -2,10 +2,6 @@ name: Unit Tests
 
 on:
   workflow_call:
-    inputs:
-      should_skip:
-        required: false
-        type: string
 
 jobs:
   test: