diff --git a/tests/unit/components/sl-calendar-day-test.js b/tests/unit/components/sl-calendar-day-test.js
index <HASH>..<HASH> 100644
--- a/tests/unit/components/sl-calendar-day-test.js
+++ b/tests/unit/components/sl-calendar-day-test.js
@@ -1,5 +1,6 @@
 import Ember from 'ember';
 import { moduleForComponent, test } from 'ember-qunit';
+import globalLibraries from '../../helpers/sl/synchronous/global-libraries';
 
 moduleForComponent( 'sl-calendar-day', 'Unit | Component | sl calendar day', {
     unit: true
@@ -122,3 +123,19 @@ test( 'Action bindings sends action with expected day content', function( assert
 
     this.$().trigger( 'click' );
 });
+
+test( 'There are no references to Ember.$, $ or jQuery', function( assert ) {
+    globalLibraries.setupSpies();
+
+    const component = this.subject();
+
+    this.render();
+
+    globalLibraries.triggerEvents( component );
+
+    assert.notOk(
+        globalLibraries.called()
+    );
+
+    globalLibraries.restoreSpies();
+});
Added calendar dual instance day test.