Intent of usage.mjs|title=usage tests deprecate options using .deprecateOption(x, [string]) .deprecateOption(x) should show [deprecated]|occurrence=1, usage.mjs|title=usage tests deprecate options using .deprecateOption(x, [string]) .deprecateOption(x, string) should show [deprecated: string]|occurrence=1

All 2 exact tests in this concept. Every test is marked by where it enters the hierarchy.