new SingularParamBlockUpdate(new String[] { "just", "a", "test" },
PATH_ABSTRACT_FACTORY, paramBlock);
ParameterBlock testBlock = new ParameterBlock();
update.update(testBlock);
assertTrue(testBlock.hasSubBlock("just"));
ParameterBlock justBlock = testBlock.getSubBlock("just");
assertTrue(justBlock.hasSubBlock("a"));
ParameterBlock aBlock = justBlock.getSubBlock("a");