Increase code coverage for repo-modenizer

[dichaudhary]

Description

PR contains changes for a few additional test cases for repository modernizer module.

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

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:

• [x] I have signed the Adobe Open Source CLA.
• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.

[codecov[bot]]

Codecov Report

Merging #40 (d1013e7) into master (4d7f6db) will increase coverage by 8.03%. The diff coverage is n/a.

:exclamation: Current head d1013e7 differs from pull request most recent head b8ccd6d. Consider uploading reports for the commit b8ccd6d to get more accurate results

@@            Coverage Diff             @@
##           master      #40      +/-   ##
==========================================
+ Coverage   81.51%   89.54%   +8.03%     
==========================================
  Files          16       16              
  Lines        1569     1569              
  Branches      155      155              
==========================================
+ Hits         1279     1405     +126     
+ Misses        263      157     -106     
+ Partials       27        7      -20     

Impacted Files	Coverage Δ
...itory-modernizer/src/util/pom-manipulation-util.js	88.63% <0.00%> (+71.59%)	:arrow_up:

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[dichaudhary]

The increase of 8% is on the overall repo & detailed increase can be seen here . Also since the other modules contains private functions and one of the way to test them is using rewire (example)which currently has an issue integrating with code coverage (issue) result of which it is difficult to increase the coverage anyfurther.