@GrpcExceptionHandler
        Status handleIllegalArgument(final IllegalArgumentException e) {
            return Status.INVALID_ARGUMENT;
        }
Tests that the {@link GrpcAdviceDiscoverer} discovers inherited methods.
grpc-server-spring-boot-starter/src/test/java/net/devh/boot/grpc/server/advice/GrpcAdviceDiscovererTest.java