Refactor unit test cases to use JSON comparison (part 2)

[timkimadobe]

[!NOTE] This is the second part in a multi-part series of PRs that will refactor existing Edge extension unit and functional tests to use the JSON comparison tool from AEPTestUtils See part 1: #434 (Please merge part 1 first, as this branch incorporates its changes.)

Description

This PR refactors some of the Edge extension unit tests to use JSON comparison

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:

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

[codecov[bot]]

Codecov Report

Merging #435 (75c16b7) into dev (74a67e5) will decrease coverage by 0.29%. The diff coverage is n/a.

:exclamation: Current head 75c16b7 differs from pull request most recent head 917d21a. Consider uploading reports for the commit 917d21a to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #435 +/- ## ========================================== - Coverage 96.76% 96.47% -0.29% ========================================== Files 27 27 Lines 1730 1730 ========================================== - Hits 1674 1669 -5 - Misses 56 61 +5 ```

[timkimadobe]

Closing this PR in favor of #436 which builds off of the changes in part 1 (#434)