code: @Test public void testJobRepositoryChange() throws Exception {
    final KernelServices kernelServices=boot();
    final CompositeOperationBuilder compositeOp=CompositeOperationBuilder.create();
    final ModelNode address=createAddress(InMemoryJobRepositoryDefinition.NAME,"new-job-repo");
    compositeOp.addStep(SubsystemOperations.createAddOperation(address));
    compositeOp.addStep(SubsystemOperations.createWriteAttributeOperation(createAddress(null),"default-thread-pool","new-job-repo"));
    executeOperation(kernelServices,compositeOp.build());
  }
  