final String imageName = "tt_greenbrandlogo.png";
TemporaryFileManager fileManager = new TemporaryFileManager(
new ResourceTemporaryFileCreator(
FileImageAssetFactoryTestCase.class, imageName));
fileManager.executeWith(new TemporaryFileExecutor() {
public void execute(File temporaryFile) throws Exception {
FileImageAssetFactory factory = new FileImageAssetFactory();
final String assetGroup = "assetgroup";
Variant variant = factory.createConvertibleImageVariant(