unauthorized test with meaning string

server_test.go

@@ -70,7 +70,7 @@ func TestPostTxtMsg(t *testing.T) {
 func TestGetAccesstoken(t *testing.T) {
 	req := buildReqGetAccessToken()
 	rr, _ := getHTTPResponse(req, supplyAccessToken)
-	errorResponse := "errortoken"
+	errorResponse := "unauthorized"
 	m := rr.Body.String()
 	expected, _ := GetAccessToken()
 	log.Printf("TestGetAccesstoken got: [%s] ", m)