slight tidy of YAML PR (remove excess console.log in test)

and improve XML test coverage slightly

nodes/core/parsers/70-YAML.html

@@ -1,3 +1,4 @@
+
 <script type="text/x-red" data-template-name="yaml">
     <div class="form-row">
         <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>

nodes/core/parsers/70-YAML.js

@@ -1,3 +1,4 @@
+
 module.exports = function(RED) {
     "use strict";
     var yaml = require('js-yaml');