WIP: work on http load test (now partly working) and http protocol

aquatic_http_protocol/src/response.rs

@@ -187,6 +187,12 @@ impl Response {
             Response::Scrape(r) => r.to_bytes(),
         }
     }
+
+    pub fn from_bytes(bytes: &[u8]) -> anyhow::Result<Self> {
+        Ok(Self::Failure(FailureResponse {
+            failure_reason: "fake response".to_string()
+        }))
+    }
 }