fix(DataMapper): rename test files that could conflict on case insens…

[igarashitm]

…itive file system

Fixes: #1918

luckily they are the ones added for manual test

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.51%. Comparing base (933679b) to head (9b2bb5b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##               main    #1919    +/-   ##
==========================================
  Coverage     78.51%   78.51%            
  Complexity      367      367            
==========================================
  Files           469      469            
  Lines         14816    14816            
  Branches       2832     2832            
==========================================
  Hits          11633    11633            
+ Misses         3095     2910   -185     
- Partials         88      273   +185     

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