Add a test of a more complicated equivalency just to make sure? For example, `spectral_density()`? _Originally posted by @adrn in https://github.com/GalacticDynamics/unxt/pull/295#pullrequestreview-2458811652_
Add a test of a more complicated equivalency just to make sure? For example,
spectral_density()?Originally posted by @adrn in #295 (review)