Fix assertion message

Author: lukemelia

packages/host/app/components/matrix/room-message-command.gts

@@ -43,7 +43,6 @@ import type { CardDef } from 'https://cardstack.com/base/card-api';
 import ApplyButton from '../ai-assistant/apply-button';
 import { type ApplyButtonState } from '../ai-assistant/apply-button';
 import Preview from '../preview';
-import { next } from '@ember/runloop';
 
 interface Signature {
   Element: HTMLDivElement;
@@ -130,7 +129,7 @@ export default class RoomMessageCommand extends Component<Signature> {
       return;
     }
     element.style.height = `${height}px`; // max-height is constrained by CSS
-    next(this, this.scrollIntoView, element.parentElement as HTMLElement);
+    this.scrollIntoView(element.parentElement as HTMLElement);
   });
 
   private scrollIntoView(element: HTMLElement) {

packages/host/tests/acceptance/commands-test.gts

@@ -1190,7 +1190,7 @@ module('Acceptance | Commands tests', function (hooks) {
       assert.equal(
         commandResultEvents.length,
         1,
-        'No command result event dispatched',
+        'Command result event was dispatched',
       );
       assert.dom('[data-test-apply-state="applied"]').exists();
     });