phpunit - testing is painfully slow

php unit-testing phpunit

PHP Snippet 1:

public function createApplication()
{
    $app = require __DIR__ . '/../bootstrap/app.php';

    $app->make(Kernel::class)->bootstrap();

    // TODO: DON'T FORGET TO IMPORT HASH OBJECT ON TOP
    Hash::setRounds(5);

    return $app;
}

PHP Snippet 2:

    phpunit --filter 'Default_My_Test'

PHP Snippet 3:

    phpunit --coverage-html ./report reportTest