Merge pull request #1547 from akva2/no_remove

changed: do not remove the result path in regression tests

tests/run-regressionTest.sh

@@ -15,10 +15,10 @@ EXE_NAME="${9}"
 shift 9
 TEST_ARGS="$@"
 
-rm -Rf  ${RESULT_PATH}
 mkdir -p ${RESULT_PATH}
 cd ${RESULT_PATH}
 ${BINPATH}/${EXE_NAME} ${TEST_ARGS} output_dir=${RESULT_PATH}
+test $? -eq 0 || exit 1
 cd ..
 
 ecode=0