assertEquals( 1, agendaGroup3.size() );
final AgendaGroup agendaGroupMain = agenda.getAgendaGroup( "MAIN" );
assertEquals( 3, agendaGroupMain.size() );
workingMemory.clearAgendaGroup( "agenda-group-3" );
assertEquals( 0, activationGroup3.size() );
assertEquals( 0, agendaGroup3.size() );
workingMemory.fireAllRules();