diff --git a/ckanext/odsh/tests_tpsh/test_thumbnail.py b/ckanext/odsh/tests_tpsh/test_thumbnail.py
index 4cc6eea95f1d8381d98e76d5a309fddae0a97ec2..f12f0cbd06732483fce5c2ff84ebd7f2216d4eaf 100644
--- a/ckanext/odsh/tests_tpsh/test_thumbnail.py
+++ b/ckanext/odsh/tests_tpsh/test_thumbnail.py
@@ -181,8 +181,8 @@ class TestWriteThumbnailIntoPackage(object):
             call('package_update')
         ])
         p.mock_action_handler.assert_has_calls([
-            call(self.context, {'id': 'foo'}),
-            call(self.context, {'id': 'foo', 'thumbnail': 'filename'})
+            call(None, {'id': 'foo'}),
+            call(None, {'id': 'foo', 'thumbnail': 'filename'})
         ])
     
     @p.patch_get_action
@@ -193,8 +193,8 @@ class TestWriteThumbnailIntoPackage(object):
             call('package_update')
         ])
         p.mock_action_handler.assert_has_calls([
-            call(self.context, {'id': 'foo'}),
-            call(self.context, {'id': 'foo'})
+            call(None, {'id': 'foo'}),
+            call(None, {'id': 'foo'})
         ])
     
 
@@ -218,6 +218,7 @@ class TestCreateThumbnailIfNoneInPackage(object):
     @p.patch_get_package_dict_from_context
     def test_creates_thumbnail_for_first_resource(self, patch_gpdfc, patch_ct, patch_ga):
         patch_ct.side_effect = [(True, 'filename1'), (True, 'filename2')]
+        patch_gpdfc.return_value = {}
         thumbnail.create_thumbnail_if_none_in_package(self.context, ['resource1', 'resource2'])
         patch_ct.assert_called_once_with(self.context, 'resource1')
     
@@ -226,6 +227,7 @@ class TestCreateThumbnailIfNoneInPackage(object):
     @p.patch_get_package_dict_from_context
     def test_creates_thumbnail_for_first_pdf(self, patch_gpdfc, patch_ct, patch_ga):
         patch_ct.side_effect = [(False, 'filename1'), (True, 'filename2'), (True, 'filename3')]
+        patch_gpdfc.return_value = {}
         thumbnail.create_thumbnail_if_none_in_package(self.context, ['resource1', 'resource2', 'resource3'])
         patch_ct.assert_called_with(self.context, 'resource2')
     
@@ -243,6 +245,7 @@ class TestCreateThumbnailIfNoneInPackage(object):
     @p.patch_create_thumbnail
     @p.patch_get_package_dict_from_context
     def test_does_not_create_thumbnail_if_no_resources(self, patch_gpdfc, patch_ct, patch_ga):
+        patch_gpdfc.return_value = {}
         thumbnail.create_thumbnail_if_none_in_package(self.context, [])
         patch_ct.assert_not_called()
     
@@ -252,6 +255,7 @@ class TestCreateThumbnailIfNoneInPackage(object):
     @p.patch_get_package_dict_from_context
     def test_writes_filename_into_package(self, patch_gpdfc, patch_ct, patch_ga, patch_wtip):
         patch_ct.side_effect = [(True, 'filename1'), (True, 'filename2')]
+        patch_gpdfc.return_value = {}
         thumbnail.create_thumbnail_if_none_in_package(self.context, ['resource1'])
         patch_wtip.assert_called_once_with(self.context, 'filename1')