[Bug]: App data lost

[ChristophWurst]

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github OR Nextcloud Community Forum (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

My dev env lost the entire app data directory (in my case data/appdata_oc4uhez60xks) at some point in the last week. I don't know what happened. I didn't delete it myself.

Steps to reproduce

1. ?

Expected behavior

App data is not lost

Installation method

None

Nextcloud Server version

master

Operating system

None

PHP engine version

None

Web server

None

Database engine version

None

Is this bug present after an update or on a fresh install?

None

Are you using the Nextcloud Server Encryption module?

None

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

No response

List of activated Apps

No response

Nextcloud Signing status

No response

Nextcloud Logs

No response

Additional info

No response

[ChristophWurst]

One possibility for the disappearance of my data is the server test setup. It should created a new environment and leave the existing installation untouched. So the theory.

[ChristophWurst]

It was most likely the tests