diff --git a/.travis.yml b/.travis.yml
index 67fdd3d0d..364ce4c69 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,4 +13,4 @@ script:
   # - pytest
 
   # smoke tests
-  - python example/tutorial_mnist_tiny.py
+  - python tests/test_mnist_simple.py
diff --git a/example/tutorial_mnist_tiny.py b/tests/test_mnist_simple.py
similarity index 99%
rename from example/tutorial_mnist_tiny.py
rename to tests/test_mnist_simple.py
index b7891a55d..855ce9145 100644
--- a/example/tutorial_mnist_tiny.py
+++ b/tests/test_mnist_simple.py
@@ -1,8 +1,6 @@
 #! /usr/bin/python
 # -*- coding: utf-8 -*-
 
-
-
 import tensorflow as tf
 import tensorlayer as tl