// Create a vocabulary and add two term reference fields to article nodes.
$this->vocabulary = $this->createVocabulary();
// Create a vocabulary and add two term reference fields to article nodes.
$this->vocabulary = $this->createVocabulary();
$this->createEntityReferenceField('node', 'article', $this->fieldName2, NULL, 'taxonomy_term', 'default', $handler_settings, FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
entity_get_form_display('node', 'article', 'default')
$this->createEntityReferenceField('node', 'article', $this->fieldName2, NULL, 'taxonomy_term', 'default', $handler_settings, FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
entity_get_form_display('node', 'article', 'default')