fix bug

CI_files/test.sh

@@ -2,9 +2,17 @@
 
 LOGFILE=log.txt
 
-"C:\Program Files\MATLAB\R2021b\bin\matlab.exe" -nodesktop -nosplash -minimize -wait -logfile "$LOGFILE" -r 'runner_test';
-CODE=$?
+"C:\Program Files\MATLAB\R2021b\bin\matlab.exe" -nodesktop -nosplash -nodesktop -logfile "$LOGFILE" -r "runner_test;exit(ans);"
 
 cat "$LOGFILE"
+exitstatus=$?
+
+if [[ $exitstatus -eq '0' ]]
+then 
+    echo "matlab succed. Exit status: $exitstatus"
+    exit $exitstatus
+else
+    echo "matlab failed. Exit status: $exitstatus"
+    exit $exitstatus
+fi
 
-exit $CODE