Generating autoload files
$ find . -type "f" -iname "*.php" | xargs -L "1" php -l
No syntax errors detected in ./tests/test-admin-callbacks.php
No syntax errors detected in ./tests/test-redirect-callbacks.php
No syntax errors detected in ./tests/test-permalink-filters.php
No syntax errors detected in ./tests/bootstrap.php
No syntax errors detected in ./external-permalinks-redux.php
$ phpunit
Your server is running PHP version 5.3.29 but WordPress 5.2.2 requires at least 5.6.20.
ERROR: Job failed: exit code 1