compat mode that relaxes some of the check_* macros

src/chatstates.rs

@@ -63,6 +63,7 @@ mod tests {
         assert_eq!(message, "This is not a chatstate element.");
     }
 
+    #[cfg(not(feature = "compat"))]
     #[test]
     fn test_invalid_child() {
         let elem: Element = "<gone xmlns='http://jabber.org/protocol/chatstates'><coucou/></gone>"
@@ -76,6 +77,7 @@ mod tests {
         assert_eq!(message, "Unknown child in chatstate element.");
     }
 
+    #[cfg(not(feature = "compat"))]
     #[test]
     fn test_invalid_attribute() {
         let elem: Element = "<inactive xmlns='http://jabber.org/protocol/chatstates' coucou=''/>"