/**
* Tests that config bundle deletions are mirrored in field config settings.
*/
public function testConfigTargetBundleDeletion()
{
// Attach an entity reference field to $this->nodeType.
$name = Unicode::strtolower($this->randomMachineName());
$label = $this->randomString();
$vid = $this->vocabulary->id();
$handler_settings = ['target_bundles' => [$vid => $vid]];
$this->createEntityReferenceField('node', $this->nodeType->id(), $name, $label, 'taxonomy_term', 'default', $handler_settings);
// Check that the 'target_bundle' setting contains the vocabulary.
$field_config = FieldConfig::loadByName('node', $this->nodeType->id(), $name);
$actual_handler_settings = $field_config->getSetting('handler_settings');
$this->assertEqual($handler_settings, $actual_handler_settings);
// Delete the vocabulary.
$this->vocabulary->delete();
// Check that the deleted vocabulary is no longer present in the
// 'target_bundles' field setting.
$field_config = FieldConfig::loadByName('node', $this->nodeType->id(), $name);
$handler_settings = $field_config->getSetting('handler_settings');
$this->assertTrue(empty($handler_settings['target_bundles']));
}