// test the work of modify thread
LookupOperationContext lookupCtx = new LookupOperationContext( mockSession );
lookupCtx.setDn( new Dn( "dc=threadDoModify,ou=test,ou=system" ) );
Entry entry = partition.lookup( lookupCtx );
assertNotNull( entry );
assertEquals( "description no 999", entry.get( "description" ).getString() );
assertExists( partition, contextEntry.getDn().getName() );
assertExists( partition, "dc=child1,ou=test,ou=system" );
assertExists( partition, "dc=child2,ou=test,ou=system" );