Yii Developer Bicycle Set

trait CustomError {
    private $_errorMessages = [];
    /**
     * Use in method :  return $this->setCustomErrorMessage(message);
     *
     * @param array $errorMessages
     * @return false
     */
    public function setCustomErrorMessage($errorMessages)
    {
        if(!is_array($errorMessages))
            $errorMessages = [$errorMessages];
        $this->_errorMessages = $errorMessages;
        return false;
    }
    /**
     * @param string $errorMessage
     */
    public function addCustomErrorMessage($errorMessage)
    {
        $this->_errorMessages[] = $errorMessage;
    }
    /**
     * @return array
     */
    public function getCustomErrorMessages()
    {
        return $this->_errorMessages;
    }
    /**
     * @return mixed
     */
    public function getCustomErrorMessageFirst()
    {
        return reset($this->_errorMessages);
    }
    /**
     * @return void
     */
    public function clearCustomErrorMessages()
    {
        $this->_errorMessages = [];
        return;
    }
}

getNewMigrations())===array())
        {
            echo "No new migration found. Your system is up-to-date.\n";
            return 0;
        }
        $total=count($migrations);
        $step=isset($args[0]) ? (int)$args[0] : 0;
        if($step>0)
            $migrations=array_slice($migrations,0,$step);
        $n=count($migrations);
        if($n===$total)
            echo "Total $n new ".($n===1 ? 'migration':'migrations')." to be applied:\n";
        else
            echo "Total $n out of $total new ".($total===1 ? 'migration':'migrations')." to be applied:\n";
        foreach($migrations as $migration)
            echo "    $migration\n";
        echo "\n";
        if($this->confirm('Apply the above '.($n===1 ? 'migration':'migrations')."?"))
        {
            foreach($migrations as $migration)
            {
                foreach($this->connections as $connectionId) { // !!! Вся магия здесь, мы прогоняем миграцию по всем конектам
                    $this->connectionID = $connectionId;
                    if($this->migrateUp($migration)===false)
                    {
                        echo "\nMigration failed. All later migrations are canceled.\n";
                        return 2;
                    }
                }
            }
            echo "\nMigrated up successfully.\n";
        }
    }
    public function actionDown($args)
    {
        $step=isset($args[0]) ? (int)$args[0] : 1;
        if($step<1)
        {
            echo "Error: The step parameter must be greater than 0.\n";
            return 1;
        }
        if(($migrations=$this->getMigrationHistory($step))===array())
        {
            echo "No migration has been done before.\n";
            return 0;
        }
        $migrations=array_keys($migrations);
        $n=count($migrations);
        echo "Total $n ".($n===1 ? 'migration':'migrations')." to be reverted:\n";
        foreach($migrations as $migration)
            echo "    $migration\n";
        echo "\n";
        if($this->confirm('Revert the above '.($n===1 ? 'migration':'migrations')."?"))
        {
            foreach($migrations as $migration)
            {
                foreach($this->connections as $connectionId) {
                    $this->connectionID = $connectionId;
                    if($this->migrateDown($migration)===false)
                    {
                        echo "\nMigration failed. All later migrations are canceled.\n";
                        return 2;
                    }
                }
            }
            echo "\nMigrated down successfully.\n";
        }
    }
    private $_db;
    protected function getDbConnection()
    {
        if(($this->_db=Yii::app()->getComponent($this->connectionID)) instanceof CDbConnection)
            return $this->_db;
        echo "Error: CMigrationCommand.connectionID '{$this->connectionID}' is invalid. Please make sure it refers to the ID of a CDbConnection application component.\n";
        exit(1);
    }
}

class WebTestCase extends CWebTestCase
{
        public $loginRequired = false;
        protected function setUp()
	{
		parent::setUp();
                $this->setBrowser('*firefox');
		$this->setBrowserUrl(TEST_BASE_URL);
                $this->prepareTestSession();
                if($this->loginRequired) {
                    $this->login();
                }
	}
}

class MyTest extends CDbTestCase
{
     public function newUserProvider() { // генерим 3 случайных набора данных
        $faker = \Faker\Factory::create('ru_RU');
        $array = array();
        for($i=0; $i<3; $i++) {
            $array[$i]['user']['name'] = $faker->name;
            $array[$i]['user']['address'] = $faker->address;
            $array[$i]['user']['country'] = $faker->country;
        }
        return $array;
    }
   /**
     * @param $user
     * @dataProvider newUserProvider
     */
    public function testCreate($user) // Этот тест выполнится 3 раза и каждый раз с разными данными
    {
         $model = new User('signup');
         $model->name = $user['name'];
         ...
         $model->save()
    }
}