@Test
public void executeRecordCallback() {

    RecordCallback callback = mock(RecordCallback.class);
    MatchedRecord matchedRecord = mock(MatchedRecord.class);
    FileParser parser = new FileParser("", "");
    parser.registerRecordCallback("test", callback);
    // TODO when there is more time - need to have content and config embedded into the test.
      verify(callback, atMost(1)).processRecord(matchedRecord);
}