Tests - fix(typings): Missing declaration for OFF as LogLevel

[sfc-gh-pmotacki]

Description

Please explain the changes you made here.

Checklist

• Format code according to the existing code style (run npm run lint:check -- CHANGED_FILES and fix problems in changed code)
• Create tests which fail without the change (if possible)
• Make all tests (unit and integration) pass (npm run test:unit and npm run test:integration)
• Extend the README / documentation and ensure is properly displayed (if necessary)
• Provide JIRA issue id (if possible) or GitHub issue id in commit message

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.89%. Comparing base (8a83e21) to head (1f637f5).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #913      +/-   ##
==========================================
- Coverage   88.91%   88.89%   -0.02%     
==========================================
  Files          65       65              
  Lines        6304     6304              
==========================================
- Hits         5605     5604       -1     
- Misses        699      700       +1     

Flag	Coverage Δ
	88.73% <ø> (ø)

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