public function testToStorageValue()
{
$value = new FieldValue();
$value->data = $this->longText;
$value->sortKey = 'Now that we know who you are';
$storageFieldValue = new StorageFieldValue();
$this->converter->toStorageValue($value, $storageFieldValue);
self::assertSame($value->data, $storageFieldValue->dataText);
self::assertSame($value->sortKey, $storageFieldValue->sortKeyString);
self::assertSame(0, $storageFieldValue->sortKeyInt);
}