fix is_test bug in fused_feedforward. (#43508)

python/paddle/incubate/nn/functional/fused_transformer.py

@@ -130,12 +130,11 @@ def fused_feedforward(x,
             'pre_layer_norm', pre_layer_norm, 'ln1_epsilon', ln1_epsilon,
             'ln2_epsilon', ln2_epsilon, 'act_method', activation,
             'dropout1_rate', dropout1_rate, 'dropout2_rate', dropout2_rate,
-            "dropout1_is_test", not training, "dropout2_is_test", not training,
-            "dropout1_fix_seed", seed is not None, "dropout2_fix_seed", seed
-            is not None, "dropout1_seed", seed if seed is not None else 0,
-            "dropout2_seed", seed if seed is not None else 0,
-            'dropout1_implementation', mode, 'dropout2_implementation', mode,
-            'ring_id', ring_id)
+            "is_test", not training, "dropout1_fix_seed", seed is not None,
+            "dropout2_fix_seed", seed is not None, "dropout1_seed",
+            seed if seed is not None else 0, "dropout2_seed",
+            seed if seed is not None else 0, 'dropout1_implementation', mode,
+            'dropout2_implementation', mode, 'ring_id', ring_id)
         return out
 
     helper = LayerHelper("fused_feedforward")
@@ -202,8 +201,7 @@ def fused_feedforward(x,
                          'pre_layer_norm': pre_layer_norm,
                          'ln1_epsilon': ln1_epsilon,
                          'ln2_epsilon': ln2_epsilon,
-                         'dropout1_is_test': not training,
-                         'dropout2_is_test': not training,
+                         'is_test': not training,
                          'dropout1_fix_seed': seed is not None,
                          'dropout2_fix_seed': seed is not None,
                          'dropout1_seed': seed if seed is not None else 0,