@Test
public void testFail() throws WorkflowOperationException {

  // setup
  operation.setConfiguration("catalog-flavor", "flavor/test");
  operation.setConfiguration("catalog-type-collision-behavior", "fail");
  // execution
  operationHandler.start(instance, null);
  expectedException.expect(WorkflowOperationException.class);
  operationHandler.start(instance, null);
}