GH-108 New Playwright tests for the versions functionality.

[bosschaert]

Description

Also updated the other Playwright test to not have to clean up their temporary files in a finally block any more (as that didn't work reliably), but rather clean these up together in a separate new 'delete' test that cleans up matching files if they are older than 2 hours. It does this cleanup through the UI so it also serves as a test for delete.

Related Issue

108

How Has This Been Tested?

This PR is a test.

Types of changes

• [X] Just a test
• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [X] I have signed the Adobe Open Source CLA.
• [X] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [X] I have read the CONTRIBUTING document.
• [X] I have added tests to cover my changes.
• [X] All new and existing tests passed.

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Commits

* [bdfa401](https://github.com/adobe/da-live/commit/bdfa401d2e1e19cca91933810e04ded2b833b914) :white_check_mark: (latest) * [828780b](https://github.com/adobe/da-live/commit/828780bd8ebb9a466ab8e41bcdafec3a39633ae4) :white_check_mark: