Link to issue number:

Splitting up PR #14054

Summary of the issue:

Some config can affect the way the test samples are prepared, E.G. moving focus / review to the start location.

Description of user facing changes

None

Description of development approach

For all tests that modify NVDA config, ensure this happens after the initial set up is completed.
Introduce a new helper to allow modifying multiple settings at once.

Testing strategy:

System tests:

• locally
• Appveyor

Known issues with pull request:

None

Change log entries:

None

Code Review Checklist:

• Pull Request description:
  • description is up to date
  • change log entries
• Testing:
  • Unit tests
  • System (end to end) tests
  • Manual testing
• API is compatible with existing add-ons.
• Documentation:
  • User Documentation
  • Developer / Technical Documentation
  • Context sensitive help for GUI changes
• UX of all users considered:
  • Speech
  • Braille
  • Low Vision
  • Different web browsers
  • Localization in other languages / culture than English
• Security precautions taken.