private LogData createLogData() {
    return createLogData(new GregorianCalendar(2008, Calendar.MAY, 21, 0, 45, 44));
  }
Tests constructor will badly formed time specification.
olv-core/src/test/java/pl/otros/logview/accept/query/org/apache/log4j/rule/TimestampEqualsRuleTest.java