Increase test cases for JSON comparison wildcard key/indexes

## Before Logging a feature request
- [ ] I have searched in this repository's issues to see if it has already been reported.
- [ ] This is not a Security Disclosure, otherwise please follow the guidelines in [Security Policy](https://github.com/adobe/aepsdk-testutils-ios/security/policy).

## Feature Request Summary

Current test coverage should be increased so that more comprehensive coverage of the wildcard key/index path interpretation is tested

## Current Behavior

## Desired Behavior

## Sample Code that illustrates the request
```swift
//sample code

```

Start by locating the existing tests for JSON comparison and wildcard key/index path interpretation; the issue does not name specific files or test cases. Review current coverage, run the relevant test suite, and add comprehensive cases for wildcard key and index path handling.

Written by the indexing model from the issue text.