Ensured same testing database is used to generate with entities and to run functional tests

config/cli-config.php

@@ -24,7 +24,7 @@ if ($isTest) {
     $config = $container->get('config');
     $config['entity_manager']['connection'] = [
         'driver' => 'pdo_sqlite',
-        'memory' => true,
+        'path' => realpath(sys_get_temp_dir()) . '/shlink-tests.db',
     ];
     $container->setService('config', $config);
 }