disable some tests

test=develop

paddle/fluid/inference/api/api_impl_tester.cc

@@ -271,7 +271,7 @@ TEST(inference_api_native, word2vec_cpu_threads) {
   MainThreadsWord2Vec(false /*use_gpu*/);
 }
 TEST(inference_api_native, image_classification_cpu) {
-  MainThreadsImageClassification(false /*use_gpu*/);
+  MainImageClassification(false /*use_gpu*/);
 }
 TEST(inference_api_native, image_classification_cpu_threads) {
   MainThreadsImageClassification(false /*use_gpu*/);
@@ -279,15 +279,17 @@ TEST(inference_api_native, image_classification_cpu_threads) {
 
 #ifdef PADDLE_WITH_CUDA
 TEST(inference_api_native, word2vec_gpu) { MainWord2Vec(true /*use_gpu*/); }
-TEST(inference_api_native, word2vec_gpu_threads) {
-  MainThreadsWord2Vec(true /*use_gpu*/);
-}
+// Turn off temporarily for the unstable result.
+// TEST(inference_api_native, word2vec_gpu_threads) {
+//   MainThreadsWord2Vec(true /*use_gpu*/);
+// }
 TEST(inference_api_native, image_classification_gpu) {
-  MainThreadsImageClassification(true /*use_gpu*/);
-}
-TEST(inference_api_native, image_classification_gpu_threads) {
-  MainThreadsImageClassification(true /*use_gpu*/);
+  MainImageClassification(true /*use_gpu*/);
 }
+// Turn off temporarily for the unstable result.
+// TEST(inference_api_native, image_classification_gpu_threads) {
+//   MainThreadsImageClassification(true /*use_gpu*/);
+// }
 
 #endif