## Are you reporting a feature request or a bug? Bug ## Provide detailed reproduction steps (if any) 1. Go to [Travis](https://travis-ci.org/ckeditor/ckeditor4-angular/builds) ### Expected result Build works or tests fail. ### Actual result Build produces an error: <img width="881" alt="Screenshot 2020-02-03 at 09 09 58" src="https://user-images.githubusercontent.com/10883184/73635977-f89e0180-4664-11ea-8e79-c3dbdce5058f.png"> ## Other details * TravisCI
