update

tests/test_ifs_sim.py

@@ -47,8 +47,8 @@ class TestDemoFunction(unittest.TestCase):
 
         debug = True
 
-        result_path = dir_path+'ifs_sim_result'
-
+        # result_path = dir_path+'ifs_sim_result'
+        result_path = os.path.join(dir_path, 'ifs_sim_result')
         csst_ifs_sim.runIFSsim(sourcein, configfile,
                                dir_path, result_path, 1, debug, 'no')