--- a/run-tests.py	Sun Jun 19 22:04:57 2016 +0800
+++ b/run-tests.py	Sun Jun 19 23:44:42 2016 +0800
@@ -1,9 +1,11 @@
 #!/usr/bin/env python
+import sys
+
 import pytest
 
 
 def main():
-    pytest.main(['tests'])
+    pytest.main(['tests'] + sys.argv[1:])
 
 
 if __name__ == '__main__':