Change fromstring to be from string

secert-hitler/src/controller/gamemaster/gameevent.rs

@@ -184,7 +184,10 @@ mod tests {
 
    #[test]
    fn sources() {
-      let ge = GameEvent::new(r#"{"body": "{\"sources\": [\"a\", \"b\"]}"}"#.to_string());
+      let d = json::object!{
+         "sources": ["a", "b"],
+      };
+      let ge = GameEvent::new(d.dump());
       assert!(ge.sources() == vec!["a", "b"]);
    }