diff --git a/tests/shadowsocks_outbound_sandbox.py b/tests/sandbox/shadowsocks_outbound.py
similarity index 100%
rename from tests/shadowsocks_outbound_sandbox.py
rename to tests/sandbox/shadowsocks_outbound.py
diff --git a/tests/target_sandbox.py b/tests/sandbox/target.py
similarity index 90%
rename from tests/target_sandbox.py
rename to tests/sandbox/target.py
index 513ecbc..dd103fa 100644
--- a/tests/target_sandbox.py
+++ b/tests/sandbox/target.py
@@ -9,5 +9,5 @@ if __name__ == "__main__":
     storage = TargetStorage(xray_manager_config)
 
     target = Target("de1", "pretty", "out-de1")
-    
-    storage.delete_target(target)
\ No newline at end of file
+
+    storage.delete_target(target)