This is a way to leverage the PHP built-in web server in your tests. Uses the new @beforeClass and @afterclass annotation introduced in phpunit v3.8.x.

php-built-in-server-runners.php

<?php

Class MyTest extends PHPUnit_Framework_TestCase {

	static $pidfile    = './.pidfile';
	static $serverHost = 'localhost';
	static $serverPort = '6767';
	
	public static function serverURL()
	{
		return static::$serverHost.':'.static::$serverPort;
	}

	/**
   	  * @beforeClass
	  */
	public static function bootUpBuiltInServer()
	{
		shell_exec('php -S '.static::serverURL().' -t ./tests/server > /dev/null 2>&1 & echo $! >> '.static::$pidfile);
		// let's wait a couple of seconds for the server to be up
		sleep(2);
	}

  	/**
	  * @afterClass
	  */
	public static function turnDownBuiltInServer()
	{
		$filename = static::$pidfile;

		if(file_exists($filename))
		{
			$fileContent = file($filename);
			$pid = array_pop($fileContent);
			shell_exec('kill -9 '.$pid);
			unlink($filename);
		}
	}
}