diff --git a/ckanext/harvest/tests/test_action.py b/ckanext/harvest/tests/test_action.py
index a6a46b2..e924611 100644
--- a/ckanext/harvest/tests/test_action.py
+++ b/ckanext/harvest/tests/test_action.py
@@ -15,8 +15,13 @@ except ImportError:
     try:
         from ckan.new_tests.helpers import assert_in
     except ImportError:
-        # ckan 2.2 only has it in the legacy test helpers
-        from ckan.tests.helpers import assert_in
+        # for ckan 2.2
+        try:
+            from nose.tools import assert_in
+        except ImportError:
+            # Python 2.6 doesn't have it
+            def assert_in(a, b, msg=None):
+                assert a in b, msg or '%r was not in %r' % (a, b)
 
 from ckan import plugins as p
 from ckan.plugins import toolkit