Fix a test failure when the default log level is too low

This test was relying on the default log level being high enough that the
expected messages would actually be logged.

test/object-store/sync/app.cpp

@@ -3305,6 +3305,7 @@ TEST_CASE("app: sync logs contain baas coid", "[sync][app][baas]") {
     };
 
     auto in_mem_logger = std::make_shared<InMemoryLogger>();
+    in_mem_logger->set_level_threshold(InMemoryLogger::Level::all);
     TestAppSession app_session(get_runtime_app_session(), nullptr, DeleteApp{false}, ReconnectMode::normal, nullptr,
                                in_mem_logger);