@Test(expected = BlockNotFoundException.class)
public void testMissingBlock() throws IOException, BlockNotFoundException
{

  FileUtils.deleteQuietly(testFM.blockFiles[2]);
  testFM.underTest.tempOutFilePath = new Path(testFM.baseDir, testFM.fileMetaDataMock.getStitchedFileRelativePath()
      + '.' + System.currentTimeMillis() + FileStitcher.PART_FILE_EXTENTION);
  testFM.underTest.writeTempOutputFile(testFM.fileMetaDataMock);
  fail("Failed when one block missing.");
}