public function testCanProvideProcDir()
{
$tmpDir = sys_get_temp_dir();
$command = new Command('pwd');
$command->procCwd = $tmpDir;
$this->assertFalse($command->getExecuted());
$this->assertTrue($command->execute());
$this->assertTrue($command->getExecuted());
$this->assertEquals($tmpDir, $command->getOutput());
}