Fix bugs in config_helpers unittest.

* It gets wrong command line arguments before.

python/paddle/trainer_config_helpers/tests/configs/run_tests.sh

@@ -2,16 +2,18 @@
 cd `dirname $0`
 
 set -e
+PYTHON_EXEC=$1
+COMPARE_PROTO_UTIL=$2
 
 protostr=`dirname $0`/protostr
 
 files=`ls $protostr | grep -v "unittest"`
 
-./generate_protostr.sh $1
+./generate_protostr.sh ${PYTHON_EXEC}
 
 . ./file_list.sh
 
-if [ -z $1 ]; then
+if [ -z ${COMPARE_PROTO_UTIL} ]; then
   for file in $files
   do
       base_protostr=$protostr/$file
@@ -22,20 +24,20 @@ if [ -z $1 ]; then
 else
   for file in ${configs[*]}
   do
-    if ! $1 $protostr/$file.protostr $protostr/$file.protostr.unittest; then
+    if ! ${COMPARE_PROTO_UTIL} $protostr/$file.protostr $protostr/$file.protostr.unittest; then
       diff $protostr/$file.protostr $protostr/$file.protostr.unittest -u
     fi
-    if ! $1 $protostr/$file.protostr $protostr/$file.protostr.non_file_config.unittest; then
+    if ! ${COMPARE_PROTO_UTIL} $protostr/$file.protostr $protostr/$file.protostr.non_file_config.unittest; then
       diff $protostr/$file.protostr $protostr/$file.protostr.non_file_config.unittest -u
     fi
   done
 
   for file in ${whole_configs[*]}
   do
-    if ! $1 $protostr/$file.protostr $protostr/$file.protostr.unittest --whole; then
+    if ! ${COMPARE_PROTO_UTIL} $protostr/$file.protostr $protostr/$file.protostr.unittest --whole; then
       diff $protostr/$file.protostr $protostr/$file.protostr.unittest -u
     fi
-    if ! $1 $protostr/$file.protostr $protostr/$file.protostr.non_file_config.unittest --whole; then
+    if ! ${COMPARE_PROTO_UTIL} $protostr/$file.protostr $protostr/$file.protostr.non_file_config.unittest --whole; then
       diff $protostr/$file.protostr $protostr/$file.protostr.non_file_config.unittest -u
     fi
   done