// Change visibility to now depend on content language for this block.
$edit = [
- 'visibility[language][context_mapping][language]' => '@language.current_language_context:language_content'
+ 'visibility[language][context_mapping][language]' => '@language.current_language_context:language_content',
];
$this->drupalPostForm('admin/structure/block/manage/' . $block_id, $edit, t('Save block'));