diff --git a/tests/test.py b/tests/test.py
index 84fb9cae..a4503cb9 100644
--- a/tests/test.py
+++ b/tests/test.py
@@ -2,25 +2,50 @@
 
 import unittest
 
-from you_get.extractors import *
+from you_get.extractors import (
+    imgur,
+    magisto,
+    youtube,
+    yixia,
+    bilibili,
+)
 
 
 class YouGetTests(unittest.TestCase):
     def test_imgur(self):
-        imgur.download("http://imgur.com/WVLk5nD", info_only=True)
-        imgur.download("http://imgur.com/gallery/WVLk5nD", info_only=True)
+        imgur.download('http://imgur.com/WVLk5nD', info_only=True)
+        imgur.download('http://imgur.com/gallery/WVLk5nD', info_only=True)
 
     def test_magisto(self):
-        magisto.download("http://www.magisto.com/album/video/f3x9AAQORAkfDnIFDA", info_only=True)
+        magisto.download(
+            'http://www.magisto.com/album/video/f3x9AAQORAkfDnIFDA',
+            info_only=True
+        )
 
     def test_youtube(self):
-        youtube.download("http://www.youtube.com/watch?v=pzKerr0JIPA", info_only=True)
-        youtube.download("http://youtu.be/pzKerr0JIPA", info_only=True)
-        youtube.download("http://www.youtube.com/attribution_link?u=/watch?v%3DldAKIzq7bvs%26feature%3Dshare",
-                         info_only=True)
+        youtube.download(
+            'http://www.youtube.com/watch?v=pzKerr0JIPA', info_only=True
+        )
+        youtube.download('http://youtu.be/pzKerr0JIPA', info_only=True)
+        youtube.download(
+            'http://www.youtube.com/attribution_link?u=/watch?v%3DldAKIzq7bvs%26feature%3Dshare',  # noqa
+            info_only=True
+        )
 
     def test_yixia(self):
-        yixia_download("http://m.miaopai.com/show/channel/vlvreCo4OZiNdk5Jn1WvdopmAvdIJwi8", info_only=True)
+        yixia.download(
+            'http://m.miaopai.com/show/channel/vlvreCo4OZiNdk5Jn1WvdopmAvdIJwi8',  # noqa
+            info_only=True
+        )
+
+    def test_bilibili(self):
+        bilibili.download(
+            'https://www.bilibili.com/video/av16907446/', info_only=True
+        )
+        bilibili.download(
+            'https://www.bilibili.com/video/av13228063/', info_only=True
+        )
+
 
 if __name__ == '__main__':
     unittest.main()