DEV: prevents asyncTestDiscourse/controllerFor/fixture to leak (#7717)

test/javascripts/lib/click-track-edit-history-test.js.es6

@@ -1,6 +1,6 @@
 import DiscourseURL from "discourse/lib/url";
 import ClickTrack from "discourse/lib/click-track";
-import { logIn } from "helpers/qunit-helpers";
+import { fixture, logIn } from "helpers/qunit-helpers";
 
 QUnit.module("lib:click-track-edit-history", {
   beforeEach() {

test/javascripts/lib/click-track-profile-page-test.js.es6

@@ -1,6 +1,6 @@
 import DiscourseURL from "discourse/lib/url";
 import ClickTrack from "discourse/lib/click-track";
-import { logIn } from "helpers/qunit-helpers";
+import { fixture, logIn } from "helpers/qunit-helpers";
 
 QUnit.module("lib:click-track-profile-page", {
   beforeEach() {

test/javascripts/lib/click-track-test.js.es6

@@ -1,6 +1,6 @@
 import DiscourseURL from "discourse/lib/url";
 import ClickTrack from "discourse/lib/click-track";
-import { logIn } from "helpers/qunit-helpers";
+import { fixture, asyncTestDiscourse, logIn } from "helpers/qunit-helpers";
 
 QUnit.module("lib:click-track", {
   beforeEach() {

test/javascripts/lib/highlight-text-test.js.es6

@@ -2,6 +2,7 @@ import {
   default as highlightText,
   CLASS_NAME
 } from "discourse/lib/highlight-text";
+import { fixture } from "helpers/qunit-helpers";
 
 QUnit.module("lib:highlight-text");
 

test/javascripts/lib/preload-store-test.js.es6

@@ -1,4 +1,5 @@
 import PreloadStore from "preload-store";
+import { asyncTestDiscourse } from "helpers/qunit-helpers";
 
 QUnit.module("preload-store", {
   beforeEach() {

test/javascripts/lib/tooltip-test.js.es6

@@ -1,4 +1,5 @@
 import { registerTooltip, registerHoverTooltip } from "discourse/lib/tooltip";
+import { fixture } from "helpers/qunit-helpers";
 
 // prettier-ignore
 QUnit.module("lib:tooltip", {

test/javascripts/lib/upload-short-url-test.js.es6

@@ -4,6 +4,7 @@ import {
   resetCache
 } from "pretty-text/upload-short-url";
 import { ajax } from "discourse/lib/ajax";
+import { fixture } from "helpers/qunit-helpers";
 
 QUnit.module("lib:pretty-text/upload-short-url", {
   beforeEach() {