fix ut compile failed

tests/ut/cpp/optimizer/ad/kpynative_test.cc

@@ -98,7 +98,7 @@ class TestKPynative : public UT::Common {
         GradPynativeOp(k_pynative_cell, c_node, args, out);
       }
     }
-    auto bprop_fg = GradPynativeCellBuildFormalBProp(k_pynative_cell, AnfNodePtrList{}, true, false);
+    auto bprop_fg = GradPynativeCellEnd(k_pynative_cell, AnfNodePtrList{}, true, false, false, true);
     return bprop_fg;
   }
 };
@@ -106,23 +106,23 @@ class TestKPynative : public UT::Common {
 TEST_F(TestKPynative, test_simple_add) {
   auto primal_fg = BuildPrimalFuncGraph("test_simple_add");
   resource->manager()->KeepRoots({primal_fg});
-  ExportIR(primal_fg->ToString() + ".dat", "", primal_fg);
+  ExportIR(primal_fg->ToString() + ".dat", primal_fg);
 
   auto bprop_fg = BuildBpropFuncGraph(primal_fg);
   resource->manager()->KeepRoots({bprop_fg});
 
-  ExportIR(bprop_fg->ToString() + ".dat", "", bprop_fg);
+  ExportIR(bprop_fg->ToString() + ".dat", bprop_fg);
 }
 
 TEST_F(TestKPynative, test_stop_gradient) {
   auto primal_fg = BuildStopGradient("test_stop_gradient");
   resource->manager()->KeepRoots({primal_fg});
-  ExportIR(primal_fg->ToString() + ".dat", "", primal_fg);
+  ExportIR(primal_fg->ToString() + ".dat", primal_fg);
 
   auto bprop_fg = BuildBpropFuncGraph(primal_fg);
   resource->manager()->KeepRoots({bprop_fg});
 
-  ExportIR(bprop_fg->ToString() + ".dat", "", bprop_fg);
+  ExportIR(bprop_fg->ToString() + ".dat", bprop_fg);
 }
 }  // namespace ad
 }  // namespace mindspore