Edit the file config/db.php
with real data, for example:
return [
'class' => 'yii\db\Connection',
'dsn' => 'mysql:host=localhost;dbname=yii2basic',
'username' => 'root',
'password' => '1234',
'charset' => 'utf8',
];
./yii migrate
./yii send-unprocessed-money-gift/proceed 20
vendor/bin/codecept run