removed node version 6 from travis

.travis.yml

@@ -1,8 +1,7 @@
 language: node_js
 node_js:
-  - "6"
   - "7"
   - "8"
   - "9"
   - "node"
-  - "lts/*"
+  - "lts/*"

lib/util.js

@@ -68,6 +68,7 @@ schemaFaker.option({
 * Safe wrapper for schemaFaker that resolves references and
 * removes things that might make schemaFaker crash
 * @param {*} oldSchema the schema to fake
+* @param {string} resolveTo tells to use example values or fake schema
 * @param {string} bodyTypeOption tells that the schema object is of request or response
 * @param {*} components list of predefined components (with schemas)
 * @param {string} schemaFormat default or xml
@@ -806,6 +807,7 @@ module.exports = {
   /**
    * convert param with in='query' to string considering style and type
    * @param {*} param with in='query'
+   * @param {string} requestType tells if this is example request or root request
    * @returns {array} converted queryparam
    */
   convertToPmQueryParameters: function(param, requestType) {
@@ -1009,6 +1011,7 @@ module.exports = {
   /**
    * converts params with in='header' to a Postman header object
    * @param {*} header param with in='header'
+   * @param {string} requestType tells if this is example request or root request
    * @returns {Object} instance of a Postman SDK Header
    */
   convertToPmHeader: function(header, requestType) {

test/system/travis-yml.test.js

@@ -25,7 +25,7 @@ describe('travis.yml', function () {
   describe('strucure', function () {
     it('language must be set to node', function () {
       expect(travisYAML.language).to.be('node_js');
-      expect(travisYAML.node_js).to.eql(['6', '7', '8', '9', 'node', 'lts/*']);
+      expect(travisYAML.node_js).to.eql(['7', '8', '9', 'node', 'lts/*']);
     });
   });
 });