diff --git a/paddle/fluid/inference/tests/api/CMakeLists.txt b/paddle/fluid/inference/tests/api/CMakeLists.txt
index b0f7dcc0dffcb71a8b88c764dbced05fde36745e..aa3da397ff67dd06dd750d336a49056baedaaab6 100644
--- a/paddle/fluid/inference/tests/api/CMakeLists.txt
+++ b/paddle/fluid/inference/tests/api/CMakeLists.txt
@@ -128,10 +128,10 @@ inference_analysis_api_test_with_fake_data(test_analyzer_resnet50
 inference_analysis_api_test_with_fake_data(test_analyzer_mobilenet_depthwise_conv
   "${INFERENCE_DEMO_INSTALL_DIR}/mobilenet_depthwise_conv" analyzer_resnet50_tester.cc "mobilenet_model.tar.gz" SERIAL)
 
-# bert
-set(BERT_INSTALL_DIR "${INFERENCE_DEMO_INSTALL_DIR}/bert")
-download_model_and_data(${BERT_INSTALL_DIR} "bert_model.tar.gz" "bert_data.txt.tar.gz")
-inference_analysis_api_test(test_analyzer_bert ${BERT_INSTALL_DIR} analyzer_bert_tester.cc)
+# bert, max_len=20
+set(BERT_INSTALL_DIR "${INFERENCE_DEMO_INSTALL_DIR}/bert20")
+download_model_and_data(${BERT_INSTALL_DIR} "bert_model.tar.gz" "bert_data_len20.txt.tar.gz")
+inference_analysis_api_test(test_analyzer_bert ${BERT_INSTALL_DIR} analyzer_bert_tester.cc SERIAL)
 
 # anakin
 if (WITH_ANAKIN AND WITH_MKL) # only needed in CI
diff --git a/paddle/fluid/inference/tests/api/analyzer_bert_tester.cc b/paddle/fluid/inference/tests/api/analyzer_bert_tester.cc
index 24cbd39ea0fbf425a8fed66f6413008f1a97408d..f646fd6d91c81b6738e4fc5278739307fa5f99b5 100644
--- a/paddle/fluid/inference/tests/api/analyzer_bert_tester.cc
+++ b/paddle/fluid/inference/tests/api/analyzer_bert_tester.cc
@@ -18,7 +18,6 @@ namespace paddle {
 namespace inference {
 
 using paddle::PaddleTensor;
-using paddle::contrib::AnalysisConfig;
 
 template <typename T>
 void GetValueFromStream(std::stringstream *ss, T *t) {
@@ -158,12 +157,10 @@ bool LoadInputData(std::vector<std::vector<paddle::PaddleTensor>> *inputs) {
   return true;
 }
 
-void SetConfig(contrib::AnalysisConfig *config) {
-  config->SetModel(FLAGS_infer_model);
-}
+void SetConfig(AnalysisConfig *config) { config->SetModel(FLAGS_infer_model); }
 
 void profile(bool use_mkldnn = false) {
-  contrib::AnalysisConfig config;
+  AnalysisConfig config;
   SetConfig(&config);
 
   if (use_mkldnn) {
@@ -213,17 +210,14 @@ TEST(Analyzer_bert, compare_mkldnn) { compare(true /* use_mkldnn */); }
 #endif
 
 // Compare Deterministic result
-// TODO(luotao): Since each unit-test on CI only have 10 minutes, cancel this to
-// decrease the CI time.
-// TEST(Analyzer_bert, compare_determine) {
-//   AnalysisConfig cfg;
-//   SetConfig(&cfg);
-//
-//   std::vector<std::vector<PaddleTensor>> inputs;
-//   LoadInputData(&inputs);
-//   CompareDeterministic(reinterpret_cast<const PaddlePredictor::Config
-//   *>(&cfg),
-//                        inputs);
-// }
+TEST(Analyzer_bert, compare_determine) {
+  AnalysisConfig cfg;
+  SetConfig(&cfg);
+
+  std::vector<std::vector<PaddleTensor>> inputs;
+  LoadInputData(&inputs);
+  CompareDeterministic(reinterpret_cast<const PaddlePredictor::Config *>(&cfg),
+                       inputs);
+}
 }  // namespace inference
 }  // namespace paddle
diff --git a/paddle/fluid/inference/tests/api/analyzer_rnn1_tester.cc b/paddle/fluid/inference/tests/api/analyzer_rnn1_tester.cc
index 5ab8577050df485d0c6bbeffc1d2031c2a00db85..c27c39f40a2067dd2bd2150e4b1e53eab7cdf06e 100644
--- a/paddle/fluid/inference/tests/api/analyzer_rnn1_tester.cc
+++ b/paddle/fluid/inference/tests/api/analyzer_rnn1_tester.cc
@@ -20,7 +20,6 @@ namespace paddle {
 namespace inference {
 
 using namespace framework;  // NOLINT
-using namespace contrib;    // NOLINT
 
 struct DataRecord {
   std::vector<std::vector<std::vector<float>>> link_step_data_all;