App\Repositories\Setting\ConfigDbSetting::update PHP Метод

    public function update(array $data)
    {
        $this->writer->setConfig('DB_DRIVER', $data['driver']);
        $this->writer->setConfig('DB_HOST', $data['host']);
        $this->writer->setConfig('DB_DATABASE', $data['database']);
        $this->writer->setConfig('DB_USERNAME', $data['username']);
        $this->writer->setConfig('DB_PASSWORD', $data['password']);
        return true;
    }

 public function test_Should_UpdateExistingDbSettings()
 {
     vfsStream::newFile('.env')->at($this->rootDir);
     $dotenvReader = new DotenvReader(new LaravelFilesystem($this->app['files']), vfsStream::url('rootDir/.env'));
     $dotenvWriter = new DotenvWriter(new LaravelFilesystem($this->app['files']), vfsStream::url('rootDir/.env'));
     $configDbSettingRepository = new ConfigDbSetting($dotenvReader, $dotenvWriter);
     $configDbSettingRepository->update(['driver' => 'mysql', 'host' => 'localhost', 'database' => 'database', 'username' => 'username', 'password' => 'password']);
     $this->assertEquals('mysql', $dotenvReader->getConfig('DB_DRIVER'));
     $this->assertEquals('localhost', $dotenvReader->getConfig('DB_HOST'));
     $this->assertEquals('database', $dotenvReader->getConfig('DB_DATABASE'));
     $this->assertEquals('username', $dotenvReader->getConfig('DB_USERNAME'));
     $this->assertEquals('password', $dotenvReader->getConfig('DB_PASSWORD'));
 }