Cause the error instead of throwing it directly.

src/app/initialization-crash/initialization-crash.component.ts

@@ -2,7 +2,6 @@ import { Component, ViewChild } from '@angular/core';
 import { CKEditorComponent } from 'src/ckeditor';
 import AngularEditor from 'ckeditor/build/ckeditor';
 import type { ContextWatchdog } from '@ckeditor/ckeditor5-watchdog';
-import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
 
 @Component( {
  selector: 'app-initialization-crash',
@@ -32,8 +31,11 @@ export class InitializationCrashComponent {
  extraPlugins: [
  function( editor: any ) {
  editor.data.on( 'init', () => {
- // eslint-disable-next-line
- throw new CKEditorError( 'example-error', editor );
+ // Simulate an error.
+ // Create a non-existing position, then try to get its parent.
+ const position = editor.model.createPositionFromPath( editor.model.document.getRoot(), [ 1, 2, 3 ] );
+
+ return position.parent;
  } );
  }
  ],