ReplicationServerDomain.java
Renamed directoryServers to connectedDSs.
Renamed replicationServers to connectedRSs.
Removed the useless getConnectedLDAPservers(), replaced with getConnectedDSs().
Renamed a few local variables.

DataServerHandler.java:
Consequence of removing to ReplicationServerDomain.getConnectedLDAPservers()
Extracted method changeStatus() from changeStatusFromStatusAnalyzer() and changeStatusForResetGenId().
Extracted method getStatusMachineEvent() from changeStatusForResetGenId().

InitOnLineTest.java
Consequence of removing to ReplicationServerDomain.getConnectedLDAPservers().
Removed useless try / catch / fail.
Extracted methods getCompletionTime(), assertAttributeValue().
Used Assertions.assertThat().