Fix: Handle Relative Path from Parent Call to run_bats_tests_in_docker.bash

[RedLeader962]

Description

Summary:

• The variable initialization for N2ST_VERSION has been migrated to a common script. This change aligns with the best coding practices of defining and initializing variables in a common area.
• The TeamCity environment message logging sequence has been reorganized for better clarity and log tracking. (This addresses issue NMO-571)
• Adds visual separators in the script for enhanced readability.

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Checklist:

Code related

• I have made corresponding changes to the documentation (i.e.: function/class, script header, README.md)
• I have commented hard-to-understand code
• I have added tests that prove my fix is effective or that my feature works
• All tests pass locally with my changes (Check tests/README.md for local testing procedure)
• My commit messages follow the conventional commits specification. See commit_msg_reference.md in the repository root for details

PR creation related

• My pull request base ref branch is set to the dev branch (the build-system won't be triggered otherwise)
• My pull request branch is up-to-date with the dev branch (the build-system will reject it otherwise)

PR description related

• I have included a quick summary of the changes
• I have indicated the related issue's id with # <issue-id> if changes are of type fix

Note for repository admins

Release PR related

• Only repository admins have the privilege to push/merge on the default branch (ie: main) and the release branch.
• Keep PR in draft mode until all the release reviewers are ready to push the release.
• Once a PR from release -> main branch is created (not in draft mode), it triggers the build-system test
• On merge to the main branch, it triggers the semantic-release automation

[RedLeader962]

🎉 This issue has been resolved in version 2.1.8 🎉

The release is available on GitHub release

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