ESLint and JSCS fixes

Author: vovayatsyuk

dev/tests/js/jasmine/tests/app/code/Magento/Braintree/frontend/js/view/payment/method-renderer/paypal.test.js

@@ -28,14 +28,20 @@ define([
                 },
                 'Magento_Braintree/js/view/payment/adapter': {
                     config: {},
+
                     /** Stub */
                     onReady: function () {},
+
+                    /** Stub */
                     setConfig: function (config) {
                         this.config = config;
                     },
+
+                    /** Stub */
                     setup: function () {
                         this.config.onReady(this.checkout);
                     },
+
                     checkout: {
                         /** Stub */
                         teardown: function () {},