bootstrap file for test

AppTestCase.php

<?php

namespace Tests\AppBundle;

...
use Symfony\Bundle\FrameworkBundle\Console\Application;
use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Output\BufferedOutput;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\HttpKernel\KernelInterface;
...

class EETestCase extends WebTestCase
{
    ...
    /**
     * @var Filesystem
     */
    protected $fs;

    public function setUp()
    {

        ...
        $this->fs = new Filesystem();

        if ($this->fs->exists($this->client->getContainer()->getParameter('default_db_path'))) {
            $this->fs->copy(
                $this->client->getContainer()->getParameter('default_db_path'),
                $this->client->getContainer()->getParameter('test_db_path'));
        } else {
            static::runCommand($this->client->getKernel(), ['command' => 't:f', '-e' => 'test', '-f' => true]);
        }
        ...
    }

    public function tearDown()
    {
        ...
        $this->fs->remove($this->client->getContainer()->getParameter('test_db_path'));
        ...
    }

...
    public static function runCommand(KernelInterface $kernel, array $arguments = [])
    {
        $application = new Application($kernel);
        $application->setAutoExit(false);

        $input = new ArrayInput($arguments);
        $output = new BufferedOutput();
        $application->run($input, $output);
    }

...
}

bootstrap.php

<?php

require_once __DIR__ . '/../app/autoload.php';

$kernel = new AppKernel('test', true);
$kernel->boot();

\Tests\AppBundle\AppTestCase::runCommand($kernel, ['command' => 't:f', '-e' => 'test']);

phpunit.xml.dist

<?xml version="1.0" encoding="UTF-8"?>

<!-- http://phpunit.de/manual/4.1/en/appendixes.configuration.html -->
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
         ...
         bootstrap="tests/bootstrap.php"
>
    ...
</phpunit>