Remove self-set accuracy parameters of op tests: max_relative_error (#21741)

* Remove self-set accuracy parameters of op tests: max_relative_error
test=develop

* Remove self-set accuracy parameters of op tests: max_relative_error
test=develop

* Remove self-set parameters of op tests: max_relative_error
test=develop

python/paddle/fluid/tests/unittests/mkldnn/test_lrn_mkldnn_op.py

@@ -62,7 +62,7 @@ class TestLRNMKLDNNOpNHWC(TestLRNMKLDNNOp):
     #TODO(jczaja): Add grad support
     def test_check_grad_normal(self):
         with self.assertRaises(fluid.core_avx.EnforceNotMet):
-            self.check_grad(['X'], 'Out', max_relative_error=0.01)
+            self.check_grad(['X'], 'Out')
 
 
 if __name__ == "__main__":

python/paddle/fluid/tests/unittests/test_fsp_op.py

@@ -55,7 +55,7 @@ class TestFSPOp(OpTest):
 
     @unittest.skip("Disable temporarily.")
     def test_check_grad_normal(self):
-        self.check_grad(['X', 'Y'], 'Out', max_relative_error=0.05)
+        self.check_grad(['X', 'Y'], 'Out')
 
 
 if __name__ == '__main__':

python/paddle/fluid/tests/unittests/test_hinge_loss_op.py

@@ -37,7 +37,7 @@ class TestHingeLossOp(OpTest):
         self.check_output()
 
     def test_check_grad(self):
-        self.check_grad(['Logits'], 'Loss', max_relative_error=0.008)
+        self.check_grad(['Logits'], 'Loss')
 
 
 if __name__ == '__main__':

python/paddle/fluid/tests/unittests/test_huber_loss_op.py

@@ -53,7 +53,7 @@ class TestHuberLossOp(OpTest):
         self.check_output()
 
     def test_check_grad_normal(self):
-        self.check_grad(['X', 'Y'], 'Out', max_relative_error=0.008)
+        self.check_grad(['X', 'Y'], 'Out')
 
     def test_check_grad_ingore_x(self):
         self.check_grad(

python/paddle/fluid/tests/unittests/test_mul_op.py

@@ -40,7 +40,7 @@ class TestMulOp(OpTest):
         self.check_output()
 
     def test_check_grad_normal(self):
-        self.check_grad(['X', 'Y'], 'Out', max_relative_error=0.5)
+        self.check_grad(['X', 'Y'], 'Out')
 
     def test_check_grad_ingore_x(self):
         self.check_grad(
@@ -91,7 +91,7 @@ class TestMulOp2(OpTest):
         self.check_output()
 
     def test_check_grad_normal(self):
-        self.check_grad(['X', 'Y'], 'Out', max_relative_error=0.5)
+        self.check_grad(['X', 'Y'], 'Out')
 
     def test_check_grad_ingore_x(self):
         self.check_grad(

python/paddle/fluid/tests/unittests/test_pad2d_op.py

@@ -53,7 +53,7 @@ class TestPad2dOp(OpTest):
         self.check_output()
 
     def test_check_grad_normal(self):
-        self.check_grad(['X'], 'Out', max_relative_error=0.006)
+        self.check_grad(['X'], 'Out')
 
     def initTestCase(self):
         self.shape = (2, 3, 4, 5)