| `PHP_UNIT_DISABLED` | Set to disable PHPUnit test (if some `phpunit.xml` or `phpunit.xml.dist` file unintentionally triggers the build) | _none_ (auto based on presence of `phpunit.xml` or `phpunit.xml.dist` file) |
| `PHP_UNIT_DISABLED` | Set to `true` to disable PHPUnit test (if some `phpunit.xml` or `phpunit.xml.dist` file unintentionally triggers the build) | _none_ (auto based on presence of `phpunit.xml` or `phpunit.xml.dist` file) |