Skip jQuery.Event deprecation tests when Proxy is not supported (IE11)

packages/ember-glimmer/tests/integration/event-dispatcher-test.js

@@ -8,6 +8,7 @@ import {
 import { EMBER_IMPROVED_INSTRUMENTATION } from '@ember/canary-features';
 import { jQueryDisabled, jQuery } from 'ember-views';
 import { ENV } from 'ember-environment';
+import { HAS_NATIVE_PROXY } from 'ember-utils';
 
 let canDataTransfer = !!document.createEvent('HTMLEvents').dataTransfer;
 
@@ -358,7 +359,7 @@ if (jQueryDisabled) {
         assert.ok(receivedEvent instanceof jQuery.Event, 'event is a jQuery.Event');
       }
 
-      ['@test accessing jQuery.Event#originalEvent is deprecated'](assert) {
+      [`@${HAS_NATIVE_PROXY ? 'test' : 'skip'} accessing jQuery.Event#originalEvent is deprecated`](assert) {
         let receivedEvent;
 
         this.registerComponent('x-foo', {
@@ -429,7 +430,7 @@ if (jQueryDisabled) {
         });
       }
 
-      ['@test accessing jQuery.Event#__originalEvent does not trigger deprecations to support ember-jquery-legacy'](
+      [`@${HAS_NATIVE_PROXY ? 'test' : 'skip'} accessing jQuery.Event#__originalEvent does not trigger deprecations to support ember-jquery-legacy`](
         assert
       ) {
         let receivedEvent;
@@ -448,8 +449,8 @@ if (jQueryDisabled) {
         this.runTask(() => this.$('#foo').click());
         expectNoDeprecation(() => {
           let { __originalEvent: originalEvent } = receivedEvent;
-          assert.ok(originalEvent, 'jQuery event has originalEvent property');
-          assert.equal(originalEvent.type, 'click', 'properties of originalEvent are available');
+          assert.ok(originalEvent, 'jQuery event has __originalEvent property');
+          assert.equal(originalEvent.type, 'click', 'properties of __originalEvent are available');
         });
       }
     }