diff --git a/config/envoyconfig/testdata/main_http_connection_manager_filter.json b/config/envoyconfig/testdata/main_http_connection_manager_filter.json
index cc9cc0bb2..82a78649e 100644
--- a/config/envoyconfig/testdata/main_http_connection_manager_filter.json
+++ b/config/envoyconfig/testdata/main_http_connection_manager_filter.json
@@ -75,7 +75,7 @@
         "typedConfig": {
           "@type": "type.googleapis.com/envoy.extensions.filters.http.lua.v3.Lua",
           "defaultSourceCode": {
-            "inlineString": "function remove_pomerium_cookie(cookie_name, cookie)\n    -- lua doesn't support optional capture groups\n    -- so we replace twice to handle pomerium=xyz at the end of the string\n    cookie = cookie:gsub(cookie_name .. \"=[^;]+; \", \"\")\n    cookie = cookie:gsub(cookie_name .. \"=[^;]+\", \"\")\n    return cookie\nend\n\nfunction has_prefix(str, prefix)\n    return str ~= nil and str:sub(1, #prefix) == prefix\nend\n\nfunction envoy_on_request(request_handle)\n    local headers = request_handle:headers()\n    local metadata = request_handle:metadata()\n\n    local remove_cookie_name = metadata:get(\"remove_pomerium_cookie\")\n    if remove_cookie_name then\n        local cookie = headers:get(\"cookie\")\n        if cookie ~= nil then\n            newcookie = remove_pomerium_cookie(remove_cookie_name, cookie)\n            headers:replace(\"cookie\", newcookie)\n        end\n    end\n\n    local remove_authorization = metadata:get(\"remove_pomerium_authorization\")\n    if remove_authorization then\n        local authorization = headers:get(\"authorization\")\n        local authorization_prefix = \"Pomerium \"\n        if has_prefix(authorization, authorization_prefix) then\n            headers:remove(\"authorization\")\n        end\n\n        headers:remove('x-pomerium-authorization')\n    end\nend\n\nfunction envoy_on_response(response_handle) end\n"
+            "inlineString": "function has_prefix(str, prefix)\n    return str ~= nil and str:sub(1, #prefix) == prefix\nend\n\nfunction remove_pomerium_cookie(cookie_name, cookie)\n    local result = \"\"\n    for c in cookie:gmatch(\"([^;]+)\") do\n        c = c:gsub(\"^ +\",\"\")\n        local name = c:match(\"^([^=]+)\")\n        if name ~= cookie_name then\n            if string.len(result) \u003e 0 then\n                result = result .. \"; \" .. c\n            else\n                result = result .. c\n            end\n        end\n    end\n    return result\nend\n\nfunction envoy_on_request(request_handle)\n    local headers = request_handle:headers()\n    local metadata = request_handle:metadata()\n\n    local remove_cookie_name = metadata:get(\"remove_pomerium_cookie\")\n    if remove_cookie_name then\n        local cookie = headers:get(\"cookie\")\n        if cookie ~= nil then\n            local newcookie = remove_pomerium_cookie(remove_cookie_name, cookie)\n            headers:replace(\"cookie\", newcookie)\n        end\n    end\n\n    local remove_authorization = metadata:get(\"remove_pomerium_authorization\")\n    if remove_authorization then\n        local authorization = headers:get(\"authorization\")\n        local authorization_prefix = \"Pomerium \"\n        if has_prefix(authorization, authorization_prefix) then\n            headers:remove(\"authorization\")\n        end\n\n        headers:remove('x-pomerium-authorization')\n    end\nend\n\nfunction envoy_on_response(response_handle) end\n"
           }
         }
       },