private ClassDescriptorResolutionCommand _resolver;
protected void setUp() throws Exception {
super.setUp();
// define a ClassResoltionByCDR resolver
_resolver = new ClassResolutionByCDR();
// add a package name to the _resolver telling it where to look for
// classes to be resolved
new PackageBasedCDRResolutionNature(_resolver)
.addPackageName("org.exolab.castor.jdo.util");
// define the ClassLoader to be used by the _resolver