Adding two more tests.

Deleting useless default case.

src/billy_objects.cpp

@@ -229,9 +229,6 @@ namespace character {
                 case toolsHash:
                     billy.push_back(static_cast<tools>(value));
                     break;
-                default:
-                    SPDLOG_CRITICAL("Deserialize billy objects error, wrong hash.");
-                    throw std::runtime_error("Deserialize billy objects error, wrong hash.");
             }
         }
     }