Test single transaction save for questionnaires

[LZRS]

IMPORTANT: Where possible all PRs must be linked to a Github issue

Fixes [link to issue]

Engineer Checklist

• I have written Unit tests for any new feature(s) and edge cases for bug fixes
• I have added any strings visible on UI components to the strings.xml file
• I have updated the CHANGELOG.md file for any notable changes to the codebase
• I have run ./gradlew spotlessApply and ./gradlew spotlessCheck to check my code follows the project's style guide
• I have built and run the FHIRCore app to verify my change fixes the issue and/or does not break the app
• I have checked that this PR does NOT introduce breaking changes that require an update to Content and/or Configs? If it does add a sample here or a link to exactly what changes need to be made to the content.

Code Reviewer Checklist

• I have verified Unit tests have been written for any new feature(s) and edge cases
• I have verified any strings visible on UI components are in the strings.xml file
• I have verifed the CHANGELOG.md file has any notable changes to the codebase
• I have verified the solution has been implemented in a configurable and generic way for reuseable components
• I have built and run the FHIRCore app to verify the change fixes the issue and/or does not break the app

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 27.5%. Comparing base (490c294) to head (deb1cfd).
Report is 19 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main   #3449     +/-   ##
=========================================
+ Coverage     27.0%   27.5%   +0.4%     
+ Complexity     720     719      -1     
=========================================
  Files          269     270      +1     
  Lines        13517   13370    -147     
  Branches      2433    2397     -36     
=========================================
+ Hits          3662    3680     +18     
+ Misses        9373    9205    -168     
- Partials       482     485      +3     

Flag	Coverage Δ
engine	64.6% <ø> (+<0.1%)	⬆️
geowidget	11.4% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...e/quest/ui/questionnaire/QuestionnaireViewModel.kt	2.6% <ø> (-0.2%)	⬇️

... and 1 file with indirect coverage changes