$this->assertEmpty($content['published_by'], 'Authors were not saved because of an array instead of a string');
$this->assertSame($previousContent, $content['content'], 'Ensure content has not moved');
$this->assertSame($previousLanguage, $content['language'], 'Ensure language has not moved');
$this->assertEmpty($content['published_by'], 'Authors were not saved because of an array instead of a string');
$this->assertSame($previousContent, $content['content'], 'Ensure content has not moved');
$this->assertSame($previousLanguage, $content['language'], 'Ensure language has not moved');