public function testFindMerchant() { $merchantId = ArrayHelper::getValue(Yii::$app->params, 'merchant_account_id'); if (!isset($merchantId)) { $this->markTestSkipped('Valid "merchant_account_id" should be specified in tests/config/params-local.php.'); } $model = new BraintreeForm(); $this->assertInstanceOf('Braintree\\MerchantAccount', $model->findMerchant($merchantId)); }