diff --git a/rhodecode/tests/lib/test_helpers.py b/rhodecode/tests/lib/test_helpers.py
--- a/rhodecode/tests/lib/test_helpers.py
+++ b/rhodecode/tests/lib/test_helpers.py
@@ -84,8 +84,12 @@ def test_process_patterns_repo(backend, 
         'pref': '#',
         }
     }
+
+    def get_settings_mock(self, cache=True):
+        return config
+
     with mock.patch.object(IssueTrackerSettingsModel,
-                           'get_settings', lambda s: config):
+                           'get_settings', get_settings_mock):
         processed_text = helpers.process_patterns(
             text_string, repo.repo_name, config)
 
@@ -106,8 +110,12 @@ def test_process_patterns_no_repo(text_s
         'pref': '#',
         }
     }
+
+    def get_settings_mock(self, cache=True):
+        return config
+
     with mock.patch.object(IssueTrackerSettingsModel,
-                           'get_global_settings', lambda s, cache: config):
+                           'get_global_settings', get_settings_mock):
         processed_text = helpers.process_patterns(
             text_string, '', config)
 
@@ -126,8 +134,12 @@ def test_process_patterns_non_existent_r
         'pref': '#',
         }
     }
+
+    def get_settings_mock(self, cache=True):
+        return config
+
     with mock.patch.object(IssueTrackerSettingsModel,
-                           'get_global_settings', lambda s, cache: config):
+                           'get_global_settings', get_settings_mock):
         processed_text = helpers.process_patterns(
             text_string, 'do-not-exist', config)
 
@@ -182,10 +194,12 @@ def test_get_matching_offsets(test_text,
     assert helpers.get_matching_offsets(
         test_text, text_phrases) == expected_output
 
+
 def test_normalize_text_for_matching():
     assert helpers.normalize_text_for_matching(
         'OJjfe)*#$*@)$JF*)3r2f80h') == 'ojjfe        jf  3r2f80h'
 
+
 def test_get_matching_line_offsets():
     assert helpers.get_matching_line_offsets([
         'words words words',
@@ -193,4 +207,4 @@ def test_get_matching_line_offsets():
         'some text some',
         'words words words',
         'words words words',
-        'text here what'], 'text') == {3: [(5, 9)], 6: [(0, 4)]}
\ No newline at end of file
+        'text here what'], 'text') == {3: [(5, 9)], 6: [(0, 4)]}