final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
final WorkingMemory wm = ruleBase.newStatefulSession();
final Person p = new Person("mark", "", 31);
final InternalFactHandle f0 = (InternalFactHandle) wm.insert( p );
final ReteTuple tuple = new ReteTuple( f0 );
SalienceBuilder salienceBuilder = new MVELSalienceBuilder();
salienceBuilder.build( context );
assertEquals( 25, context.getRule().getSalience().getValue( tuple, wm ) );