From 2690ddb558df3e59c66ab95432df0e79f0cf1537 Mon Sep 17 00:00:00 2001
From: GaoWei8 <53294385+GaoWei8@users.noreply.github.com>
Date: Wed, 25 Dec 2019 11:30:08 +0800
Subject: [PATCH] Use skip_check_grad_ci to skip grad check (#21907)

---
 python/paddle/fluid/tests/unittests/test_concat_op.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/python/paddle/fluid/tests/unittests/test_concat_op.py b/python/paddle/fluid/tests/unittests/test_concat_op.py
index c09aebff581..11574637a8d 100644
--- a/python/paddle/fluid/tests/unittests/test_concat_op.py
+++ b/python/paddle/fluid/tests/unittests/test_concat_op.py
@@ -16,7 +16,7 @@ from __future__ import print_function
 
 import unittest
 import numpy as np
-from op_test import OpTest
+from op_test import OpTest, skip_check_grad_ci
 import paddle.fluid as fluid
 from paddle.fluid import compiler, Program, program_guard, core
 
@@ -65,6 +65,8 @@ class TestConcatOp2(TestConcatOp):
         self.axis = 1
 
 
+@skip_check_grad_ci(
+    reason="The function 'check_grad' for large inputs is too slow.")
 class TestConcatOp3(TestConcatOp):
     def init_test_data(self):
         self.x0 = np.random.random((1, 256, 170, 256)).astype(self.dtype)
@@ -76,6 +78,9 @@ class TestConcatOp3(TestConcatOp):
         pass
 
 
+@skip_check_grad_ci(
+    reason="This test will meet fetch error when there is a null grad. The detailed information is in PR#17015."
+)
 class TestConcatOp4(TestConcatOp):
     def init_test_data(self):
         self.x0 = np.random.random((2, 3, 4, 5)).astype(self.dtype)
-- 
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