public void testSimpleExpression() {
InternalKnowledgePackage pkg = new KnowledgePackageImpl( "pkg1" );
final RuleDescr ruleDescr = new RuleDescr( "rule 1" );
KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl( pkg );
final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry( pkg.getName() );
MVELDialect mvelDialect = ( MVELDialect ) pkgRegistry.getDialectCompiletimeRegistry().getDialect( "mvel" );
final InstrumentedBuildContent context = new InstrumentedBuildContent( pkgBuilder,
ruleDescr,