diff --git a/addons/core/tests/integration/helpers/relative-datetime-live-test.js b/addons/core/tests/integration/helpers/relative-datetime-live-test.js
index 037a8a552..a7b1f4bb1 100644
--- a/addons/core/tests/integration/helpers/relative-datetime-live-test.js
+++ b/addons/core/tests/integration/helpers/relative-datetime-live-test.js
@@ -6,40 +6,48 @@ import { hbs } from 'ember-cli-htmlbars';
 module('Integration | Helper | relative-datetime-live', function (hooks) {
   setupRenderingTest(hooks);
 
+  let now;
+
   test('it renders relative date in "time" ago format', async function (assert) {
     assert.expect(8);
 
-    const now = Date.now();
-
-    this.date = now - 30 * 1000;
+    now = Date.now();
+    this.date = now - 100 - 30 * 1000;
     await render(hbs`{{relative-datetime-live this.date}}`);
     assert.dom(this.element).hasText('30 seconds ago');
 
-    this.date = now - 30 * 60 * 1000;
+    now = Date.now();
+    this.date = now - 1000 - 30 * 60 * 1000;
     await render(hbs`{{relative-datetime-live this.date}}`);
     assert.dom(this.element).hasText('30 minutes ago');
 
-    this.date = now - 23 * 60 * 60 * 1000;
+    now = Date.now();
+    this.date = now - 1000 - 23 * 60 * 60 * 1000;
     await render(hbs`{{relative-datetime-live this.date}}`);
     assert.dom(this.element).hasText('23 hours ago');
 
-    this.date = now - 23 * 24 * 60 * 60 * 1000;
+    now = Date.now();
+    this.date = now - 1000 - 23 * 24 * 60 * 60 * 1000;
     await render(hbs`{{relative-datetime-live this.date}}`);
     assert.dom(this.element).hasText('23 days ago');
 
-    this.date = now - 8 * 31 * 24 * 60 * 60 * 1000;
+    now = Date.now();
+    this.date = now - 1000 - 8 * 31 * 24 * 60 * 60 * 1000;
     await render(hbs`{{relative-datetime-live this.date}}`);
     assert.dom(this.element).hasText('8 months ago');
 
-    this.date = now - 23 * 12 * 31 * 24 * 60 * 60 * 1000;
+    now = Date.now();
+    this.date = now - 1000 - 23 * 12 * 31 * 24 * 60 * 60 * 1000;
     await render(hbs`{{relative-datetime-live this.date}}`);
     assert.dom(this.element).hasText('23 years ago');
 
-    this.date = now + 8 * 30 * 24 * 60 * 60 * 1000;
+    now = Date.now();
+    this.date = now + 7 * 31 * 24 * 60 * 60 * 1000;
     await render(hbs`{{relative-datetime-live this.date}}`);
     assert.dom(this.element).hasText('in 7 months');
 
-    this.date = now + 23 * 12 * 31 * 24 * 60 * 60 * 1000;
+    now = Date.now();
+    this.date = now + 1000 + 22 * 12 * 31 * 24 * 60 * 60 * 1000;
     await render(hbs`{{relative-datetime-live this.date}}`);
     assert.dom(this.element).hasText('in 22 years');
   });