$this->assertInternalType('array', $value['default_image']);
$this->assertSame('', $value['default_image']['alt']);
$this->assertSame('', $value['default_image']['title']);
$this->assertInternalType('array', $value['default_image']);
$this->assertSame('', $value['default_image']['alt']);
$this->assertSame('', $value['default_image']['title']);