Make body function work with all tests

assignments/A3/message.js

@@ -8,6 +8,7 @@ function match(message, headers) {
 }
 
 function body(message) {
+	if (message["body"] !== undefined) {
 		if (message["body"][0]["content-type"] === "text/plain") {
 			return message["body"][0]["content"];
 		}
@@ -16,6 +17,8 @@ function body(message) {
 			return message["body"][0]["content"][0]["content"];
 		}
 	}
+	return undefined;
+}
 
 function string(message) {
 	let string = "";

assignments/A3/spec/message.spec.js

@@ -51,6 +51,10 @@ ciao,
 Marco
 `);
                 });
+                it("no body",
+                    function() {
+                        expect(message.body(testMsg)).toEqual(undefined)
+                    });
                
          });
 let fullHeaderMsg ={"headers": {