Add Inject State struct level validation tests

[spolti]

What would you like to be added:
Injection State does not have specific struct tests like the other states.

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[spolti]

I think that this PR #164 also address this issue.
@ricardozanini ^

[ricardozanini]

Fixed on #164