Update WebElement_test.js

Author: kobenguyent

test/unit/WebElement_test.js

@@ -1,5 +1,5 @@
 import { expect } from 'chai'
-import WebElement from '../../lib/element/WebElement'
+import WebElement from '../../lib/element/WebElement.js'
 
 describe('WebElement', () => {
   describe('constructor and helper detection', () => {