Which test you're talking about? Xi wasn't leading China back in 2007. And thanks to the ignorance of their top brass, the Chinese received considerable negative reaction after the test.[1]

1. https://en.m.wikipedia.org/wiki/2007_Chinese_anti-satellite_...

You're right - I was confusing it with the more recent non-destructive tests that were also not explicitly announced.

And I don't think they received negative reaction because they didn't announce. It's no secret that the West is not full of fans of China