Update test/test-cases/regression/fn-setHostname.json

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: hnakamur

test/test-cases/regression/fn-setHostname.json

@@ -17,7 +17,7 @@
         "Content-Length": "0"
       },
       "uri": "/foo?q=attack",
-      "method": "",
+      "method": "GET",
       "http_version": 1.1,
       "body": [
         ""