!1048 add ut

From: @lichun30
Reviewed-by: @xchu42,@wqtshg
Signed-off-by: @wqtshg

tests/ut/ge/graph/load/davinci_model_unittest.cc

@@ -34,7 +34,7 @@ class UtestDavinciModel : public testing::Test {
   void TearDown() {}
 };
 
-/*TEST_F(UtestDavinciModel, init_success) {
+TEST_F(UtestDavinciModel, init_success) {
   DavinciModel model(0, nullptr);
   ComputeGraphPtr graph = make_shared<ComputeGraph>("default");
   ProfilingManager::Instance().is_load_profiling_ = true;
@@ -118,7 +118,7 @@ class UtestDavinciModel : public testing::Test {
   EXPECT_EQ(outputs.size(), 1);
 
   ProfilingManager::Instance().is_load_profiling_ = false;
-}*/
+}
 
 TEST_F(UtestDavinciModel, init_data_op) {
   DavinciModel model(0, nullptr);