Add test instructions.

Author: agrawal-d

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+  "files.associations": {},
+  "editor.wordWrap": "on"
+}

README.md

@@ -13,6 +13,10 @@ ADDRESS_WITH_PORT - Can be IP address or a domain name. ( example 127.0.0.1:3000
 PATH_TO_FILE - Absoulte path to the file, including preceding slash. ( example / or /public/file.bin )
 ```
 
+# Sample Files
+
+A file `2-mb-file.txt` is in the repo for self hosting. Otherwise, checkout http://xcal1.vodafone.co.uk/.
+
 # License
 
 This software is licensed under GNU General Public License v3.0 or later.

src/http_message.rs

@@ -42,11 +42,11 @@ mod tests {
     #[test]
     fn parse_raw_message() {
         let http_message =
-            "HTTP/1.1 200 OK\r\nAccept-Ranges: bytes\r\n Content-Length: 100\r\n\r\nSome content.\nAnd some more.";
+            "HTTP/1.1 200 OK\r\nAccept-Ranges: bytes\r\nContent-Length: 100\r\n\r\nSome content.\nAnd some more.";
 
         let message = HTTPMessage::new(http_message);
         let message_str = format!("{:?}", message);
-        let expected_message_str = r#"HTTPMessage { start_line: "HTTP/1.1 200 OK", headers: {"Accept-Ranges": "bytes", " Content-Length": "100"}, body: [83, 111, 109, 101, 32, 99, 111, 110, 116, 101, 110, 116, 46, 10, 65, 110, 100, 32, 115, 111, 109, 101, 32, 109, 111, 114, 101, 46] }"#;
+        let expected_message_str = r#"HTTPMessage { start_line: "HTTP/1.1 200 OK", headers: {"Content-Length": "100", "Accept-Ranges": "bytes"}, body: [83, 111, 109, 101, 32, 99, 111, 110, 116, 101, 110, 116, 46, 10, 65, 110, 100, 32, 115, 111, 109, 101, 32, 109, 111, 114, 101, 46] }"#;
 
         assert_eq!(message_str, expected_message_str);
     }