test: update test

Author: c-cube

tests/echo1.expect

@@ -2,8 +2,8 @@ listening on http://127.0.0.1:8085
 echo:
 {meth=GET; host=localhost:8085;
  headers=[user-agent: test
-          accept: */*
-          host: localhost:8085];
+          Accept: */*
+          Host: localhost:8085];
  path="/echo/?a=b&c=d"; body=""; path_components=["echo"];
  query=["c","d";"a","b"]}
 (query: "c" = "d";"a" = "b")