diff --git a/contrib/buildbot/teamcity_wrapper.py b/contrib/buildbot/teamcity_wrapper.py
--- a/contrib/buildbot/teamcity_wrapper.py
+++ b/contrib/buildbot/teamcity_wrapper.py
@@ -64,7 +64,7 @@
         # We do not care about sub-second precision anyway.
         return int(time.time())
 
-    def getIgnoreList(self, ignoreList):
+    def getIgnoreList(self):
         return self.ignoreList
 
     def setMockTime(self, mockTime):
diff --git a/contrib/buildbot/test/test_teamcity.py b/contrib/buildbot/test/test_teamcity.py
--- a/contrib/buildbot/test/test_teamcity.py
+++ b/contrib/buildbot/test/test_teamcity.py
@@ -24,6 +24,11 @@
     def tearDown(self):
         pass
 
+    def test_ignoreList(self):
+        expectedList = [b'test']
+        self.teamcity.ignoreList = expectedList
+        assert self.teamcity.getIgnoreList() == expectedList
+
     def test_mockTime(self):
         currentTime = int(time.time()) - 1
         assert self.teamcity.getTime() >= currentTime