$component = $display->getComponent('field_test_filefield');
$this->assertIdentical($expected, $component);
$display = EntityViewDisplay::load('node.story.default');
$expected['type'] = 'file_url_plain';
$component = $display->getComponent('field_test_filefield');
$this->assertIdentical($expected, $component);
$display = EntityViewDisplay::load('node.story.default');
$expected['type'] = 'file_url_plain';