docs: public static <S extends Subject<S, A>, A> AssertionError expectFailureAbout(
        final Subject.Factory<S, A> factory,
        final SimpleSubjectBuilderCallback<S, A> assertionCallback) {
      // whenTesting -> assertionCallback.invokeAssertion(whenTesting.about(factory))
      return expectFailure(
          new StandardSubjectBuilderCallback() {
            @Override
            public void invokeAssertion(StandardSubjectBuilder whenTesting) {
              assertionCallback.invokeAssertion(whenTesting.about(factory));
            }
          });
    }