[js] Organize BiDi test based on the module

[pujagani]

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Description

BiDi tests were in one file and the list would grow with more exhaustive tests. Splitting the file to organize the tests module wise. No logical changes, only imports are cleaned up.

Motivation and Context

Easy to run tests and navigate them specially during TDD.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b0f42c3) 58.07% compared to head (b4dbf09) 58.07%.
Report is 2 commits behind head on trunk.

❗ Current head b4dbf09 differs from pull request most recent head 6ca088f. Consider uploading reports for the commit 6ca088f to get more accurate results

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Additional details and impacted files

@@           Coverage Diff           @@
##            trunk   #13408   +/-   ##
=======================================
  Coverage   58.07%   58.07%           
=======================================
  Files          88       88           
  Lines        5340     5340           
  Branches      224      224           
=======================================
  Hits         3101     3101           
  Misses       2015     2015           
  Partials      224      224           

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