fails:Module.constants returns an array of the names of all toplevel constants
fails:Module.constants returns an array of Symbol names
fails:Module.constants returns Module's constants when given a parameter
fails:Module#constants returns an array of Symbol names of all constants defined in the moduleand all included modules
fails:Module#constants returns all constants including inherited when passed true
fails:Module#constants returns all constants including inherited when passed some object
fails:Module#constants includes names of constants defined after a module is included
fails:Module#constants doesn't returns inherited constants when passed false
fails:Module#constants doesn't returns inherited constants when passed nil
fails:Module#constants returns only public constants
