<?php 'COMPOSER_CACHE_DIR' => $this->testDir.'cache',
);
$proc = Process::fromShellCommandline(escapeshellcmd(PHP_BINARY).' '.escapeshellarg(self::$pharPath).' --no-ansi '.$testData['RUN'], $this->testDir, $env, null, 300);
$output = '';
$exitCode = $proc->run(function ($type, $buffer) use (&$output) {