The following files currently have "low" coverage (< 50%)

• acf-timber.php
• wpcli-timber.php
• timber-admin.php
• timber-core.php
• timber-helper.php
• timber-menu.php
• timber-site.php
• timber-twig.php
• timber-url-helper.php

Acceptance Criteria

• Line coverage on the above files exceeds 50%