// validate number and content of output columns
LOG.debug("Validating HFiles.");
Set<String> configFamilies = new HashSet<String>();
configFamilies.add(family);
Set<String> foundFamilies = new HashSet<String>();
for (FileStatus cfStatus : fs.listStatus(new Path(outputPath), new OutputFilesFilter())) {
LOG.debug("The output path has files");
String[] elements = cfStatus.getPath().toString().split(Path.SEPARATOR);
String cf = elements[elements.length - 1];
foundFamilies.add(cf);
assertTrue(String.format(