This is a continuation of #45582.

This pull request builds on #46798, so that should be tested/merged first.

Summary of Changes

• adds system tests (cypress) for workflow plugins
• return value of new plugin structure do not support return values -> return type should void
• it is not checked everywhere whether the extension has been excluded for workflow plugin
• It is possible to bypass the publish/featured status even though it is controlled by the workflow plugin

Testing Instructions

enable workflow integration for articles component

1. fix

comment this line, so the field for change state of an article will be still displayed (alternatively, you can manipulate the POST data so that the field is still sent -> more suitable for experts)

try to save or create an article

2. fix

add Articles: Articles to Forbidden Extensions of workflow plugin (Publishing/Featuring)

try to change the state in list view

Actual result BEFORE applying this Pull Request

1. fix
   article is saved with new state and two messages are shown (success and danger)

2. fix

its not possible to change the state in list view

Expected result AFTER applying this Pull Request

1. fix

save will fail with danger message

2. fix

its possible to change the state in list view

Link to documentations

Please select:

• No documentation changes for docs.joomla.org needed
• No documentation changes for manual.joomla.org needed