Restore IT test for server-legacy and fix many errors (#279)

vharseko

12.41.2023 0de6858e9548e84aebc148747be92a811ba33636

 opendj-server-legacy/src/test/java/org/opends/server/backends/ChangelogBackendTestCase.java

@@ -1118,7 +1118,7 @@
      final ResultCode expectedResultCode, String testName) throws Exception
  {
    TestTimer timer = new TestTimer.Builder()
      .maxSleep(5, SECONDS)
      .maxSleep(10, SECONDS)
      .sleepTimes(10, MILLISECONDS)
      .toTimer();
    InternalSearchOperation searchOp = timer.repeatUntilSuccess(new Callable<InternalSearchOperation>()