chore(tesseract): MSSQL driver tests

[waralexrom]

Check List

• Tests have been run in packages where changes have been made if available
• Linter has been run for changed code
• Tests for the changes have been added if not covered yet
• Docs have been added / updated if required

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.90%. Comparing base (515eeae) to head (fae89dc).
⚠️ Report is 5 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (515eeae) and HEAD (fae89dc). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (515eeae)	HEAD (fae89dc)
cubesql	1	0

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #10588       +/-   ##
===========================================
- Coverage   78.58%   57.90%   -20.69%     
===========================================
  Files         475      225      -250     
  Lines       92822    17584    -75238     
  Branches     3612     3612               
===========================================
- Hits        72945    10182    -62763     
+ Misses      19333     6858    -12475     
  Partials      544      544               

Flag	Coverage Δ
cube-backend	57.90% <100.00%> (+0.01%)	⬆️
cubesql	?

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