@Test(expected = ReceiverGeneratorException.class)
public void checkReceiverGeneratorExceptionOn()
        throws Exception {

    CustomActor a = new CustomActor();
    IResolveDependencyStrategy strategy = mock(IResolveDependencyStrategy.class);
    IReceiverGenerator rg = new ReceiverGenerator(null);
    rg.generate(a, strategy, "a");
    fail();
}