IDE-307 Fix failure in quarantined test suite

[Kale2605]

getActivity() sometimes null... not yet attached. Fix by wait and try again.

https://catrobat.atlassian.net/browse/IDE-307?atlOrigin=eyJpIjoiNjk3NDllZDk2YmUyNDk2NmFjM2NkYjkwNjRhYzFhNGYiLCJwIjoiaiJ9

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[Frajhamster]

Looks good, except that on SonarQube your code introduced a new issue, which still passes the QualityGate check, so you can decide to take a look at it and try to fix it, or leave it like it is now, up to you.

[Kale2605]

Looks good, except that on SonarQube your code introduced a new issue, which still passes the QualityGate check, so you can decide to take a look at it and try to fix it, or leave it like it is now, up to you.

Done

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud