refactor: 💡 Add await to invalidSession within admin (#2599)

ui/admin/tests/acceptance/accounts/change-password-test.js

@@ -161,7 +161,7 @@ module('Acceptance | accounts | change password', function (hooks) {
   });
 
   test('cannot change password when not authenticated', async function (assert) {
-    invalidateSession();
+    await invalidateSession();
 
     await visit(urls.changePassword);
 

ui/admin/tests/acceptance/authentication-test.js

@@ -66,8 +66,8 @@ module('Acceptance | authentication', function (hooks) {
   let sessionsURL;
   let targetsURL;
 
-  hooks.beforeEach(function () {
-    invalidateSession();
+  hooks.beforeEach(async function () {
+    await invalidateSession();
     indexURL = '/';
     globalScope = this.server.create('scope', { id: 'global' });
     orgScope1 = this.server.create(