tests/util/response: Implement Deref<Target=hyper::Response> for Response

This makes it possible to easily access e.g. `response.headers()`.

Author: Turbo87

src/tests/util/response.rs

@@ -3,6 +3,7 @@ use bytes::Bytes;
 use googletest::prelude::*;
 use serde_json::Value;
 use std::marker::PhantomData;
+use std::ops::Deref;
 use std::str::from_utf8;
 
 use crates_io::rate_limiter::LimitedAction;
@@ -15,6 +16,14 @@ pub struct Response<T> {
     return_type: PhantomData<T>,
 }
 
+impl Deref for Response<()> {
+    type Target = hyper::Response<Bytes>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.response
+    }
+}
+
 impl<T> Response<T>
 where
     for<'de> T: serde::Deserialize<'de>,