chore: Moves spec files to the src folder - iteration 9

[michael-s-molina]

SUMMARY

• Moves spec files to the src folder - iteration 9
• Standardizes the extension of the test files

This work is part of SIP-61

TESTING INSTRUCTIONS

1 - Execute all tests
2 - All tests should pass

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #17901 (daba87c) into master (e6ef7da) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #17901   +/-   ##
=======================================
  Coverage   67.07%   67.07%           
=======================================
  Files        1609     1610    +1     
  Lines       64903    64906    +3     
  Branches     6868     6869    +1     
=======================================
+ Hits        43535    43538    +3     
  Misses      19502    19502           
  Partials     1866     1866           

Flag	Coverage Δ
javascript	53.77% <ø> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
...ontend/src/dashboard/fixtures/mockNativeFilters.ts	100.00% <ø> (ø)

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