Add more tests

[NinaEilers]

Adding a picture to a already existing location.
It did not exist as automated feature.

👀 Seak Peek (Optional)

Include the link to the feature deployment or screenshots/a video.

💪 I have tested my code

• [x ] A new E2e playwright test covers this feature / A new test that reproduces the bug passes now.
• The feature deployment works.
• [ x] The automated tests are passing.
• I have manually tested this feature
  • on mobile
  • by using keyboard-only navigation
  • with a screen reader (VoiceOver is fine)
  • in Chrome
  • in Firefox
  • in Safari

🧼 I have cleaned up my code

• [ x]I have removed dependencies that were just for testing.
• [ x]I have removed debug logging.

🔍 I have performed a self-review of my code

✨ I have created a nice pull request

• [ x] It has a clear title.
• [ x] It follows the template, has a clear description and testing instructions if needed.
• [ x] It references applicable Asana tickets.
• [x ] It targets the right branch.
• I removed not applicable sections of the PR template.
• [optional] I added a GIF of my favorite animal to the PR description to lighten the mood of my colleagues.

📝 I updated the documentation

• I updated the documentation in this repository.
• I updated the tech manual.
• I updated the manual testing plan of the app so that it includes a testing flow for this feature.

🔍 Reviewing

When reviewing this merge request, here are some things to keep in mind:

• GitLab Code Review Guidelines
• Conventional Comments

🍸 Optional: Installation instructions

Remove this section, if you don't need it
For example: Reinstall your dependencies, rebuild your docker image, add something to your .env

🔬 Optional: Testing instructions

Remove this section, if you don't need it
For example: To test this feature, click on the "Create" button, fill out the form, click "Save" and then upload a file.