--- @meta --- @param name string --- @param fn? fun() function it(name, fn) end --- @param name string --- @param fn fun() function describe(name, fn) end --- @param name? string --- @param block? fun()|string function pending(name, block) end --- @param fn fun() function setup(fn) end --- @param fn fun() function before_each(fn) end --- @param fn fun() function after_each(fn) end --- @param fn fun() function teardown(fn) end