gnu-social/vendor/phpcollection/phpcollection/tests/bootstrap.php

<?php

if ( ! is_file($autoloadFile = __DIR__.'/../vendor/autoload.php')) {
    echo 'Could not find "vendor/autoload.php". Did you forget to run "composer install --dev"?'.PHP_EOL;
    exit(1);
}

require_once $autoloadFile;