Fails to connect into mysql database when database not created

[alexislefebvre]

Source: liip/LiipFunctionalTestBundle#470

---

Hello,

This library fails to connect into mysql database when database not created with error An exception occurred in driver: SQLSTATE[HY000] [1049] Unknown database 'test'

Place where error occurs:
https://github.com/liip/LiipFunctionalTestBundle/blob/2.0.0-alpha10/src/Services/DatabaseTools/ORMDatabaseTool.php#L63 or commit to be exact fails because used dbal library performs connect https://github.com/doctrine/dbal/blob/b45ed5e13e4834f64fbc56bfdc0344430cecae63/lib/Doctrine/DBAL/Connection.php#L358 into database despite unset($params['dbname']); in your class ORMDatabaseTool in 61 line

Steps to reproduce

class MyClassTest extends \Liip\FunctionalTestBundle\Test\WebTestCase
{
    protected function setUp(): void
    {
        self::bootKernel();
        $this->loadFixtures([
            LoadEntities::class,
        ]);
        parent::setUp();
    }
}

and

"doctrine/dbal": "^2.8",
"liip/functional-test-bundle": "~2.0@alpha",