fix ut

tests/ut/ge/hybrid/ge_hybrid_unittest.cc

@@ -323,7 +323,7 @@ TEST_F(UtestGeHybrid, test_parse_parallel_group) {
   ASSERT_FALSE(model.node_items_[node]->has_observer);
   ASSERT_TRUE(model.node_items_[node_1]->dependents_for_execution.empty());
   ASSERT_EQ(builder.ParseDependentByParallelGroup(), SUCCESS);
-  ASSERT_TRUE(node_item->has_observer);
+  ASSERT_TRUE(model.node_items_[node]->has_observer);
   ASSERT_EQ(model.node_items_[node_1]->dependents_for_execution.size(), 1);
   ASSERT_EQ(model.node_items_[node_1]->dependents_for_execution[0], node);