Moved session tests into general library.

src/action/message.rs

@@ -102,6 +102,7 @@ impl From<UserAction> for MsgAction {
             UserAction::Addition(data) => Self::Addition(data),
             UserAction::CreateDocument(data) => Self::Create(data),
             UserAction::Query(data) => Self::Query(data),
+            UserAction::Update(data) => Self::Update(data),
         }
     }
 }