I just tried to test this using the Patch Tester component and got this message:

"There are no files to patch from this pull request. This may mean that the files in the pull request are not present in your installation."

My overrides are in a custom template, not Cassiopeia

you can not use patch tester for this type of pull request.

I have tested this item ✅ successfully on 04eac35

I've tested as described in my comment to the issue here: #40393 (comment)

I have tested this item ✅ successfully on 04eac35

After applying the patch and rebuilding javascript the check button worked. Thanks to richard for providing the sql commands to simulate an overide in the template

RTC

you can not use patch tester for this type of pull request.

You can use patch tester for PR's with the tag "NPM Resource changed" only if you have setup a local environment for Joomla as described here: https://docs.joomla.org/J4.x:Setting_Up_Your_Local_Environment/en - then the file(s) to be patched exist
and you need to do npm ci - or even jinstall after the patch

@MacJoom You still need to run npm to compile the js after having applied the PR.

@MacJoom You still need to run npm to compile the js after having applied the PR.

just updated my comment...

you can not use patch tester for this type of pull request.

You can use patch tester for PR's with the tag "NPM Resource changed" only if you have setup a local environment for Joomla as described here: https://docs.joomla.org/J4.x:Setting_Up_Your_Local_Environment/en - then the file(s) to be patched exist

You really can't. People using patchtester expect to apply the patch and then be able to test - even with the files in their environment there is still a lot more to do. Far better to tell them the correc5t advice as provided by @richard67

or even jinstall after the patch

that's a new one???

or even jinstall after the patch

that's a new one???

@brianteeman I think he means making a new installation of Joomla e.g. when a PR has changed in SQL scripts for new installations.

or even jinstall after the patch

that's a new one???

Not really it's described in https://docs.joomla.org/J4.x:Setting_Up_Your_Local_Environment/en - a batch command that does composer install and npm ci

seriously? ;)
if you are using patchtester then you almost certainly not in a position to create a bash alias script
a script which btw is hopelessy out of date

Thanks Dimitris @dgrammatiko for the fix and all for testing!