try?

Author: DeagleGross

src/BenchmarksApps/TLS/scripts/invalid-header.lua

@@ -1,18 +1 @@
--- sends an invalid HTTP header (with space in the name)
-
-local host = "localhost"
-
-init = function(args)
-  print("wrk ARGS:", #arguments, arguments[1])
-  if #args > 0 then
-    host = args[1]
-  end
-end
-
--- before each request https://github.com/wg/wrk/blob/a211dd5a7050b1f9e8a9870b95513060e72ac4a0/SCRIPTING#L42
-request = function()
-  return "GET /hello-world HTTP/1.1\r\n" ..
-         "Host: " .. host .. "\r\n" ..
-         "Invalid Header: value\r\n" ..
-         "\r\n"
-end
+wrk.headers["Invalid Header"] = "value"