ExceptionVerifier ExecutionTester 

@Test(expected=RuntimeException.class) public void testThrowingProvidedException() throws Throwable {
  Interceptor interceptor=InterceptorUtils.throwing(ObjectProviderUtils.constant(new RuntimeException("Oops!")));
  Invocation invocation=mockInvocation(Echo.class,"echoBack",String.class).withArguments("World!").build();
  interceptor.intercept(invocation);
}