add ernie text cls test script (PaddlePaddle#733)

tests/run_ernie_cls.sh

@@ -0,0 +1,48 @@
+batch_size=32
+epoch=1
+device=gpu
+gpu_list="2,3"
+save_dir=./ernie_text_cls_ckpt
+static_model_dir=./ernie_text_cls_export
+params_path=./ernie_text_cls_ckpt/model_100/model_state.pdparams
+static_output_path=${static_model_dir}/static_graph_params
+static_model_file=${static_model_dir}/static_graph_params.pdmodel
+static_params_file=${static_model_dir}/static_graph_params.pdiparams
+train_script=../examples/text_classification/pretrained_models/train.py
+export_script=../examples/text_classification/pretrained_models/export_model.py
+predict_script=../examples/text_classification/pretrained_models/deploy/python/predict.py
+distributed_log_dir=./ernie_text_cls_log
+echo "check and create directory"
+if [ ! -d ${static_model_dir} ]; then
+    mkdir ${static_model_dir}
+    echo "create dir ${static_model_dir}."
+else
+    echo "dir ${static_model_dir} has already existed."
+fi
+
+process_name=${1}
+
+if [ ${process_name} == ernie_text_cls_train ]; then
+    echo -e "\nstart ernie text classfication training."
+    unset CUDA_VISIBLE_DEVICES
+    python -m paddle.distributed.launch --gpus ${gpu_list} \
+        --log_dir ${distributed_log_dir} \
+        ${train_script} \
+        --device ${device} \
+        --save_dir ${save_dir} \
+        --batch_size ${batch_size} \
+        --epoch ${epoch}
+    echo -e "\nend ernie text classfication training."
+elif [ ${process_name} == ernie_text_cls_export ]; then
+    echo -e "\nstart to export model for ernie text classfication."
+    python ${export_script} --params_path=${params_path} --output_path=${static_output_path}
+    echo -e "\nend to export model for ernie text classfication."
+elif [ ${process_name} == ernie_text_cls_predict ]; then
+    echo -e "\nstart to ernie text classfication prediction."
+    python ${predict_script} --device ${device} \
+        --model_file=${static_model_file} \
+        --params_file=${static_params_file}
+    echo -e "\nend to ernie text classfication prediction."
+else
+    echo "no process name ${process_name} ."
+fi