diff --git a/tests/disable.py b/tests/disable.py
index 089e3d6..e42f3dc 100644
--- a/tests/disable.py
+++ b/tests/disable.py
@@ -6,3 +6,11 @@ def travis_disabled(f):
         return _decorator
     else:
         return f
+
+def slow_disabled(f):
+    def _decorator(f):
+            print 'test has been disabled by env var LCNOSLOW'
+    if 'LCNOSLOW' in os.environ and os.environ['LCNOSLOW'] == 'yes':
+        return _decorator
+    else:
+        return f