fix UT

songyumeng · songyumeng · commit 2b5209d10a7f · 2017-12-14T23:25:13.000+08:00
diff --git a/test/openlayers/overlay/UniqueSpec.js b/test/openlayers/overlay/UniqueSpec.js
@@ -1,3 +1,4 @@
+var ol = require('openlayers');
 var Unique = require('../../../src/openlayers/overlay/Unique').Unique;
 
 describe('openlayers_Unique', function () {

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+var ol = require('openlayers');`
`1`	`2`	`var Unique = require('../../../src/openlayers/overlay/Unique').Unique;`
`2`	`3`
`3`	`4`	`describe('openlayers_Unique', function () {`