- $firstBookChapter = $this->app[EntityRepo::class]->createFromInput('chapter',
- ['name' => 'first book chapter'], $firstBook);
- $secondBookChapter = $this->app[EntityRepo::class]->createFromInput('chapter',
- ['name' => 'second book chapter'], $secondBook);
+ $firstBookChapter = $this->newChapter(['name' => 'first book chapter'], $firstBook);
+ $secondBookChapter = $this->newChapter(['name' => 'second book chapter'], $secondBook);