diff --git a/GPy/testing/__init__.py b/GPy/testing/__init__.py
index e69de29b..b2e4d822 100644
--- a/GPy/testing/__init__.py
+++ b/GPy/testing/__init__.py
@@ -0,0 +1,12 @@
+"""
+
+MaxZ
+
+"""
+import unittest
+import sys
+
+def deepTest(reason):
+    if 'deep' in sys.argv:
+        return lambda x:x
+    return unittest.skip("Not deep scanning, enable deepscan by adding 'deep' argument")