// store content in the database
File oldFile1 = createRandomFile(getBaseDir(), oldFile1SHA, 1024);
File file2 = createRandomFile(getBaseDir(), file2SHA, 1024);
FileDAO fileDAO = new FileDAO(ds.getDB());
fileDAO.save(oldFile1);
fileDAO.save(file2);
File changeSetZip = createChangeSetZipFile(headers,
changedFileEntry("1.bin", oldFile1SHA, newFile1SHA),
removedFileEntry("2.bin", file2SHA));