Tag failed specs

Author: andrykonchin

spec/tags/core/fiber/storage_tags.txt

@@ -19,3 +19,5 @@ fails:Fiber.[] can access the storage of the parent fiber
 fails:Fiber.[] can't access the storage of the fiber with non-symbol keys
 fails:Fiber.[]= does not overwrite the storage of the parent fiber
 fails:Fiber.[]= can't access the storage of the fiber with non-symbol keys
+fails:Fiber.[] can use dynamically defined keys
+fails:Fiber.[] can't use invalid keys