perf(tests): replace panic with os.Exit in TestMain for graceful test termination
diff --git a/plugin/plugin_test/plugin_main_test.go b/plugin/plugin_test/plugin_main_test.go
index 4f92beb..add1146 100644
--- a/plugin/plugin_test/plugin_main_test.go
+++ b/plugin/plugin_test/plugin_main_test.go
@@ -92,7 +92,7 @@
 	log.Info("init test database successfully")
 
 	if ret := t.Run(); ret != 0 {
-		panic(ret)
+		os.Exit(ret)
 	}
 }