fixup tests

Author: etpinard

test/jasmine/assets/double_click.js

@@ -1,6 +1,6 @@
 var click = require('./click');
 var getNodeCoords = require('./get_node_coords');
-var DBLCLICKDELAY = require('../../../src/constants/interactions').DBLCLICKDELAY;
+var DBLCLICKDELAY = require('@src/plot_api/plot_config').dfltConfig.doubleClickDelay;
 
 /*
  * Double click on a point.

test/jasmine/tests/dragelement_test.js

@@ -19,6 +19,9 @@ describe('dragElement', function() {
         this.gd._fullLayout = {
             _hoverlayer: d3.select(this.hoverlayer)
         };
+        this.gd._context = {
+            doubleClickDelay: 300
+        };
         this.element.innerHTML = 'drag element';
 
         this.gd.appendChild(this.element);