update spdlog

third_party/spdlog/tests/utils.cpp

@@ -9,18 +9,12 @@ void prepare_logdir()
 {
     spdlog::drop_all();
 #ifdef _WIN32
-    system("if not exist logs mkdir logs");
-    system("del /F /Q logs\\*");
+    system("rmdir /S /Q test_logs");
 #else
-    auto rv = system("mkdir -p logs");
+    auto rv = system("rm -rf test_logs");
     if (rv != 0)
     {
-        throw std::runtime_error("Failed to mkdir -p logs");
-    }
-    rv = system("rm -f logs/*");
-    if (rv != 0)
-    {
-        throw std::runtime_error("Failed to rm -f logs/*");
+        throw std::runtime_error("Failed to rm -rf test_logs");
     }
 #endif
 }