diff --git a/src/client/test/test_app.py b/src/client/test/test_app.py
index a7b3c02..cdab8d2 100644
--- a/src/client/test/test_app.py
+++ b/src/client/test/test_app.py
@@ -21,15 +21,11 @@ def app():
 
     if not os.path.exists('in_prog'): 
         os.mkdir('in_prog')
-        os.chmod('in_prog', 0o0777)
         imsave('in_prog/coffee.png', img2)
-        os.chmod('in_prog/coffee.png', 0o0777)
 
     if not os.path.exists('eval_data_path'): 
         os.mkdir('eval_data_path')
-        os.chmod('eval_data_path', 0o0777)
         imsave('eval_data_path/cat.png', img3)
-        os.chmod('eval_data_path/cat.png', 0o0777)
 
     rsyncer = DataRSync(user_name="local", host_name="local", server_repo_path='.')
     app = Application(BentomlModel(),
diff --git a/src/client/test/test_fsimagestorage.py b/src/client/test/test_fsimagestorage.py
index e042648..275e5f0 100644
--- a/src/client/test/test_fsimagestorage.py
+++ b/src/client/test/test_fsimagestorage.py
@@ -15,7 +15,6 @@ def sample_image():
     img = data.astronaut()
     fname = 'test_img.png'
     imsave(fname, img)
-    os.chmod(fname, 0o0777)
     return fname
     
 def test_load_image(fis, sample_image):
diff --git a/src/client/test/test_main_window.py b/src/client/test/test_main_window.py
index 31b7c5f..ca80c6d 100644
--- a/src/client/test/test_main_window.py
+++ b/src/client/test/test_main_window.py
@@ -32,21 +32,15 @@ def app(qtbot, setup_global_variable):
 
     if not os.path.exists('train_data_path'): 
         os.mkdir('train_data_path')
-        os.chmod('train_data_path', 0o0777)
         imsave('train_data_path/astronaut.png', img1)
-        os.chmod('train_data_path/astronaut.png', 0o0777)
 
     if not os.path.exists('in_prog'): 
         os.mkdir('in_prog')
-        os.chmod('in_prog', 0o0777)
         imsave('in_prog/coffee.png', img2)
-        os.chmod('in_prog/coffee.png', 0o0777)
     
     if not os.path.exists('eval_data_path'): 
         os.mkdir('eval_data_path')
-        os.chmod('eval_data_path', 0o0777)
         imsave('eval_data_path/cat.png', img3)
-        os.chmod('eval_data_path/cat.png', 0o0777)
 
     rsyncer = DataRSync(user_name="local", host_name="local", server_repo_path='.')
     application = Application(BentomlModel(),