diff --git a/plugins/discourse-local-dates/test/javascripts/helpers/freeze-time.js b/plugins/discourse-local-dates/test/javascripts/helpers/freeze-time.js
new file mode 100644
index 00000000000..764bd7043ad
--- /dev/null
+++ b/plugins/discourse-local-dates/test/javascripts/helpers/freeze-time.js
@@ -0,0 +1,21 @@
+import sinon from "sinon";
+
+const PARIS = "Europe/Paris";
+
+export default function freezeTime({ date, timezone }, cb) {
+  date = date || "2020-01-22 10:34";
+  const newTimezone = timezone || PARIS;
+  const previousZone = moment.tz.guess();
+  const now = moment.tz(date, newTimezone).valueOf();
+
+  sinon.useFakeTimers(now);
+  sinon.stub(moment.tz, "guess");
+  moment.tz.guess.returns(newTimezone);
+  moment.tz.setDefault(newTimezone);
+
+  cb();
+
+  moment.tz.guess.returns(previousZone);
+  moment.tz.setDefault(previousZone);
+  sinon.restore();
+}
diff --git a/plugins/discourse-local-dates/test/javascripts/unit/discourse-local-dates-test.js b/plugins/discourse-local-dates/test/javascripts/unit/discourse-local-dates-test.js
index f4004d2cf20..ee4ee32ca27 100644
--- a/plugins/discourse-local-dates/test/javascripts/unit/discourse-local-dates-test.js
+++ b/plugins/discourse-local-dates/test/javascripts/unit/discourse-local-dates-test.js
@@ -1,7 +1,7 @@
 import { setupTest } from "ember-qunit";
 import { module, test } from "qunit";
+import freezeTime from "../helpers/freeze-time";
 import { applyLocalDates } from "../initializers/discourse-local-dates";
-import { freezeTime } from "./local-date-builder-test";
 
 module("Unit | discourse-local-dates", function (hooks) {
   setupTest(hooks);
diff --git a/plugins/discourse-local-dates/test/javascripts/unit/local-date-builder-test.js b/plugins/discourse-local-dates/test/javascripts/unit/local-date-builder-test.js
index 815504289f3..9cde1170e50 100644
--- a/plugins/discourse-local-dates/test/javascripts/unit/local-date-builder-test.js
+++ b/plugins/discourse-local-dates/test/javascripts/unit/local-date-builder-test.js
@@ -1,6 +1,6 @@
 import QUnit, { module, test } from "qunit";
-import sinon from "sinon";
 import I18n from "discourse-i18n";
+import freezeTime from "../helpers/freeze-time";
 import LocalDateBuilder from "../lib/local-date-builder";
 
 const UTC = "Etc/UTC";
@@ -12,24 +12,6 @@ const LAGOS = "Africa/Lagos";
 const LONDON = "Europe/London";
 const SINGAPORE = "Asia/Singapore";
 
-export function freezeTime({ date, timezone }, cb) {
-  date = date || "2020-01-22 10:34";
-  const newTimezone = timezone || PARIS;
-  const previousZone = moment.tz.guess();
-  const now = moment.tz(date, newTimezone).valueOf();
-
-  sinon.useFakeTimers(now);
-  sinon.stub(moment.tz, "guess");
-  moment.tz.guess.returns(newTimezone);
-  moment.tz.setDefault(newTimezone);
-
-  cb();
-
-  moment.tz.guess.returns(previousZone);
-  moment.tz.setDefault(previousZone);
-  sinon.restore();
-}
-
 QUnit.assert.buildsCorrectDate = function (options, expected, message) {
   const localTimezone = options.localTimezone || PARIS;
   delete options.localTimezone;