Use setTesting

Author: NullVoxPopuli

files/package.json

@@ -46,7 +46,7 @@
     "@embroider/addon-dev": "^8.1.0",
     "@embroider/compat": "^4.1.0",
     "@embroider/core": "^4.1.0",
-    "@embroider/macros": "^1.18.0",
+    "@embroider/macros": "^1.20.0",
     "@embroider/vite": "^1.1.5",
     "@eslint/js": "^9.17.0",
     "@glimmer/component": "^2.0.0<% if (typescript) { %>",

files/tests/test-helper.__ext__

@@ -4,8 +4,7 @@ import * as QUnit from 'qunit';
 import { setApplication } from '@ember/test-helpers';
 import { setup } from 'qunit-dom';
 import { start as qunitStart, setupEmberOnerrorValidation } from 'ember-qunit';
-<% if (typescript) { %>// @ts-expect-error @embroider/macros does not provide types
-<% } %>import { getGlobalConfig } from '@embroider/macros/src/addon/runtime';
+import { setTesting } from '@embroider/macros';
 
 class Router extends EmberRouter {
   location = 'none';
@@ -23,14 +22,7 @@ class TestApp extends EmberApp {
 Router.map(function () {});
 
 export function start() {
-  <% if (typescript) { %>// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-call
-  <% } %>const theMacrosGlobal = getGlobalConfig();
-
-  <% if (typescript) { %>// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
-  <% } %>theMacrosGlobal['@embroider/macros'] ||= {};
-  <% if (typescript) { %>// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
-  <% } %>theMacrosGlobal['@embroider/macros'].isTesting ||= true;
-
+  setTesting(true);
   setApplication(
     TestApp.create({
       autoboot: false,