diff --git a/buildbot_gitea/test/test_reporter.py b/buildbot_gitea/test/test_reporter.py
index 68bbb8f..8c3d920 100644
--- a/buildbot_gitea/test/test_reporter.py
+++ b/buildbot_gitea/test/test_reporter.py
@@ -17,17 +17,21 @@ from buildbot.test.fake import fakemaster
 from buildbot.test.fake import httpclientservice as fakehttpclientservice
 from buildbot.test.util import logging
 from buildbot.test.util.reporter import ReporterTestMixin
+from buildbot.test.util.misc import TestReactorMixin
+
 
 
 class TestGiteaStatusPush(
     unittest.TestCase,
     ReporterTestMixin,
-    logging.LoggingMixin):
+    logging.LoggingMixin,
+    TestReactorMixin):
     # repository must be in the form http://gitea/<owner>/<project>
     TEST_REPO = u'http://gitea/buildbot/buildbot'
 
     @defer.inlineCallbacks
     def setUp(self):
+        self.setUpTestReactor()
         # ignore config error if txrequests is not installed
         self.patch(config, '_errors', Mock())
         self.master = fakemaster.make_master(testcase=self,
diff --git a/buildbot_gitea/test/test_step_source.py b/buildbot_gitea/test/test_step_source.py
index ba662fb..61982d0 100644
--- a/buildbot_gitea/test/test_step_source.py
+++ b/buildbot_gitea/test/test_step_source.py
@@ -24,12 +24,15 @@ from buildbot.test.fake.remotecommand import Expect
 from buildbot.test.fake.remotecommand import ExpectShell
 from buildbot.test.util import config
 from buildbot.test.util import sourcesteps
+from buildbot.test.util.misc import TestReactorMixin
 
 
-class TestGitea(sourcesteps.SourceStepMixin, config.ConfigErrorsMixin, unittest.TestCase):
+
+class TestGitea(sourcesteps.SourceStepMixin, config.ConfigErrorsMixin, unittest.TestCase, TestReactorMixin):
     stepClass = Gitea
 
     def setUp(self):
+        self.setUpTestReactor()
         self.sourceName = self.stepClass.__name__
         return self.setUpSourceStep()
 
diff --git a/buildbot_gitea/test/test_webhook.py b/buildbot_gitea/test/test_webhook.py
index 2d9ec65..a6e875a 100644
--- a/buildbot_gitea/test/test_webhook.py
+++ b/buildbot_gitea/test/test_webhook.py
@@ -1,6 +1,8 @@
 import buildbot.www.change_hook as change_hook
 from buildbot.test.fake.web import FakeRequest
 from buildbot.test.fake.web import fakeMasterForHooks
+from buildbot.test.util.misc import TestReactorMixin
+
 
 
 from twisted.internet import defer
@@ -719,8 +721,9 @@ giteaJsonPullRequestPayloadMerged = rb"""
 """
 
 
-class TestChangeHookGiteaPush(unittest.TestCase):
+class TestChangeHookGiteaPush(unittest.TestCase, TestReactorMixin):
     def setUp(self):
+        self.setUpTestReactor()
         self.changeHook = change_hook.ChangeHookResource(
             dialects={'gitea': {}},
             master=fakeMasterForHooks(self))
@@ -828,8 +831,9 @@ class TestChangeHookGiteaPush(unittest.TestCase):
         self.assertEqual(len(self.changeHook.master.data.updates.changesAdded), 0)
 
 
-class TestChangeHookGiteaPushOnlySingle(unittest.TestCase):
+class TestChangeHookGiteaPushOnlySingle(unittest.TestCase, TestReactorMixin):
     def setUp(self):
+        self.setUpTestReactor()
         self.changeHook = change_hook.ChangeHookResource(
             dialects={'gitea': {"onlyIncludePushCommit": True}},
             master=fakeMasterForHooks(self))
@@ -863,8 +867,9 @@ class TestChangeHookGiteaPushOnlySingle(unittest.TestCase):
         self.checkChangesFromPush(res)
 
 
-class TestChangeHookGiteaSecretPhrase(unittest.TestCase):
+class TestChangeHookGiteaSecretPhrase(unittest.TestCase, TestReactorMixin):
     def setUp(self):
+        self.setUpTestReactor()
         self.changeHook = change_hook.ChangeHookResource(
             dialects={'gitea': {"secret": "test"}},
             master=fakeMasterForHooks(self))