--- ADDRESS ---
localhost:4770

--- ENDPOINT ---
helloworld.Greeter/SayHello

--- REQUEST_HEADERS ---
Authorization: Bearer token123
X-Request-ID: req-001

--- REQUEST ---
{
  "name": "World"
}

--- RESPONSE ---
{
  "message": "Hello, World!"
}

--- ASSERTS ---
@has_header("content-type")
