Improving test validation and fix JSDoc from hasReference method

Author: erfemega

lib/deref.js

@@ -33,7 +33,7 @@ const _ = require('lodash'),
 /**
    * @param {*} currentNode - the object from which you're trying to find references
    * @param {*} seenRef References that are repeated. Used to identify circular references.
-   * @returns {boolean} - whether the object has references
+   * @returns {boolean} - Whether the object has circular references
    */
 function hasReference(currentNode, seenRef) {
   let hasRef = false;

test/unit/base.test.js

@@ -1226,8 +1226,17 @@ describe('CONVERT FUNCTION TESTS ', function() {
         };
 
       Converter.convert(input, { optimizeConversion: false, stackLimit: 50 }, (err, result) => {
+        let responseBody = JSON.parse(result.output[0].data.item[0].response[0].body);
         expect(err).to.be.null;
         expect(result.result).to.be.true;
+        expect(responseBody)
+          .to.have.all.keys('grandParentTypeData', 'specificType');
+        expect(responseBody.specificType)
+          .to.have.all.keys(
+            'grandParentTypeData',
+            'parentTypeData',
+            'specificTypeData'
+          );
       });
     });