test(sidenav): revert deprecated methods.

Author: devversion

src/components/sidenav/sidenav.spec.js

@@ -205,8 +205,9 @@ describe('mdSidenav', function() {
 
       triggerElement.focus();
 
-      var event = new KeyboardEvent("keydown", {bubbles: true, cancelable: true, keyCode: 13});
-      triggerElement[0].dispatchEvent(event);
+      var evt = document.createEvent("KeyboardEvent");
+      evt.initEvent("keydown", true, true, window, 0, 0, 0, 0, 13, 13);
+      triggerElement[0].dispatchEvent(evt);
 
       controller.$toggleOpen(true);
       flush();
@@ -230,7 +231,8 @@ describe('mdSidenav', function() {
 
       triggerElement.focus();
 
-      var event = new MouseEvent("mousedown", {bubbles: true, cancelable: true});
+      var event = document.createEvent("MouseEvent");
+      event.initMouseEvent("mousedown", true, true, window, null, 0, 0, 0, 0, false, false, false, false, 0, null);
       triggerElement[0].dispatchEvent(event);
 
       controller.$toggleOpen(true);