update median mapping

Author: NKNaN

tester/base.py

@@ -482,8 +482,6 @@ def gen_paddle_input(self):
                 self.paddle_args[3] = "gels"
             elif "driver" in self.paddle_kwargs:
                 self.paddle_kwargs["driver"] = "gels"
-        if self.api_config.api_name == "paddle.Tensor.median":
-            self.paddle_kwargs["mode"] = "min"
 
         if self.need_check_grad():
             if (self.api_config.api_name[-1] == "_" and self.api_config.api_name[-2:] != "__") or self.api_config.api_name == "paddle.Tensor.__setitem__":

tester/paddle_to_torch/mapping.json

@@ -3100,9 +3100,7 @@
     },
     "paddle.Tensor.median": {
         "torch_api": "torch.Tensor.median",
-        "paddle_torch_args_map": {
-            "keepdim": "keepdim"
-        }
+        "Rule": "MedianRule"
     },
     "paddle.Tensor.mm": {
         "torch_api": "torch.Tensor.mm",