Add region support to BOM/SIN/LHR/YUL/SFO

[yangaws]

Issue #, if available:

Description of changes:
Add region support to BOM/SIN/LHR/YUL/SFO
Update related unit tests

Merge Checklist

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• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have updated the changelog with a description of my changes (if appropriate)
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[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@f242ef0). Click here to learn what that means.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master      #75   +/-   ##
=========================================
  Coverage          ?   92.31%           
=========================================
  Files             ?       52           
  Lines             ?     3226           
  Branches          ?       88           
=========================================
  Hits              ?     2978           
  Misses            ?      248           
  Partials          ?        0

Impacted Files	Coverage Δ
...gemaker/sparksdk/algorithms/ImageURIProvider.scala	97.91% <100%> (ø)

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[ChoiByungWook]

nice catch