Adding teardown flag for ISO template

All Submissions:

[YES] Have you followed the guidelines in our Contributing document?
[YES] Have you added an explanation of what your changes do and why you'd like us to include them?
[NA] I have updated the documentation accordingly.
[NA] I have added tests to cover my changes.
[YES] All new and existing tests passed.
[YES] My code follows the code style of this project.
[YES] I ran lint checks locally prior to submission.
[YES] Have you checked to ensure there aren't other open Pull Requests for the same update/change?

ISO template stays up in between PRs.

Issue Number: #389