Fails with:
* tests/acceptance/features/apps.feature:66
<details><summary>Show full log</summary>
```
Scenario: Show section from app store # /drone/src/github.com/nextcloud/server/tests/acceptance/features/apps.feature:66
Given I act as Jane # ActorContext::iActAs()
And I am logged in as the admin # LoginPageContext::iAmLoggedInAsTheAdmin()
And I open the Apps management # SettingsMenuContext::iOpenTheAppsManagement()
And I see that the current section is "Your apps" # AppNavigationContext::iSeeThatTheCurrentSectionIs()
When I open the "Files" section # AppNavigationContext::iOpenTheSection()
Files section item in App Navigation could not be found after 100 seconds (NoSuchElementException)
Then I see that there some apps listed from the app store # AppsManagementContext::iSeeThatThereSomeAppsListedFromTheAppStore()
And I see that the current section is "Files" # AppNavigationContext::iSeeThatTheCurrentSectionIs()
```
</details>
Signed-off-by: Morris Jobke <hey@morrisjobke.de>
Since there is no calendar release for 15 yet we should use an app that
we can quickly release for 15 as well.
Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
