 
     internal var filterFlags: FilterFlags {
         var aggregateFlags = flags
-        walkUp() { group in
+        walkUp { group in
             for (key, value) in group.flags {
                 aggregateFlags[key] = value
             }


    internal var afters: [AfterExampleWithMetadataClosure] {
        var closures = hooks.afters
        walkUp() { group in
            closures.append(contentsOf: group.hooks.afters)
        }
        return closures


    internal var befores: [BeforeExampleWithMetadataClosure] {
        var closures = Array(hooks.befores.reversed())
        walkUp { group in
            closures.append(contentsOf: Array(group.hooks.befores.reversed()))
        }
        return Array(closures.reversed())
